Grade 8 Mathematics (Geometry)
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Grade 8 mathematics (geometry) is a quiz in which you are tested on your skills on the calculation of different mathematical concepts of shapes. The use of the geometrical set is also tested. Learn more below.
- 1.
![Classify the triangle based on its side lengths.]( "Classify the triangle based on its side lengths.")
Classify the triangle based on its side lengths.- A.
Scalene Triangle
- B.
Equilateral Triangle
- C.
Isosceles Triangle
- D.
Obtuse Triangle
- 2.Classify the triangle based on its angle measures.
- A.
Equiangular Triangle
- B.
Equilateral Triangle
- C.
Right Triangle
- D.
Scalene Triangle
- 3.
![Classify the triangle based on its side lengths and angle measures.]( "Classify the triangle based on its side lengths and angle measures.")
Classify the triangle based on its side lengths and angle measures.- A.
Equiangular Triangle
- B.
Scalene Triangle
- C.
Obtuse Triangle
- D.
Isosceles Triangle
- 4.
- A.
Equilateral Triangle
- B.
Scalene Triangle
- C.
Isosceles Triangle
- D.
Obtuse Triangle
- 5.What do you call a triangle with three congruent sides?
- A.
Equilateral Triangle
- B.
Scalene Triangle
- C.
Obtuse Triangle
- D.
Equiangular Triangle
- 6.
![What must be the value of x in the figure below?]( "What must be the value of x in the figure below?")
What must be the value of x in the figure below?- A.
78
- B.
88
- C.
76
- D.
86
- 7.
![What must be the value of x in the figure below?]( "What must be the value of x in the figure below?")
What must be the value of x in the figure below?- A.
36
- B.
26
- C.
16
- D.
6
- 8.
![What must be the value of x in the figure below?]( "What must be the value of x in the figure below?")
- A.
110
- B.
105
- C.
100
- D.
95
- 9.
![What must be the value of x in the figure below?]( "What must be the value of x in the figure below?")
What must be the value of x in the figure below?- A.
68
- B.
66
- C.
64
- D.
62
- 10.
![What must be the value of the number 5 in the figure below?]( "What must be the value of the number 5 in the figure below?")
What must be the value of the number 5 in the figure below?- A.
72
- B.
62
- C.
65
- D.
75
- 11.
![What postulate proves that the triangles are congruent?]( "What postulate proves that the triangles are congruent?")
What postulate proves that the triangles are congruent?- A.
SSS
- B.
ASA
- C.
SSA
- D.
HL
- 12.
![What postulate proves that the triangles are congruent?]( "What postulate proves that the triangles are congruent?")
What postulate proves that the triangles are congruent?- A.
SSS
- B.
ASA
- C.
SSA
- D.
HL
- 13.
![What postulate proves that the triangles are congruent?]( "What postulate proves that the triangles are congruent?")
What postulate proves that the triangles are congruent?- A.
SSS
- B.
ASA
- C.
AAS
- D.
HL
- 14.
![What postulate proves that the triangles are congruent aside from the SSA Postulate?]( "What postulate proves that the triangles are congruent aside from the SSA Postulate?")
What postulate proves that the triangles are congruent aside from the SSA Postulate?- A.
SSS
- B.
ASA
- C.
SAS
- D.
HL
- 15.
![State what additional information is required in order to know that the triangles are congruent based on the SSS Postulate.]( "State what additional information is required in order to know that the triangles are congruent based on the SSS Postulate.")
State what additional information is required in order to know that the triangles are congruent based on the SSS Postulate.- A.
CB ≈ ZY
- B.
CB ≈ YX
- C.
AC ≈ YX
- D.
AC ≈ ZY
- 16.
![State what additional information is required in order to know that the triangles are congruent based on the ASA Postulate.]( "State what additional information is required in order to know that the triangles are congruent based on the ASA Postulate.")
State what additional information is required in order to know that the triangles are congruent based on the ASA Postulate.- A.
CB ≈ FE
- B.
AC ≈ DF
- C.
AB ≈ DE
- D.
AC ≈ FE
- 17.
![State what additional information is required in order to know that the triangles are congruent based on the SAS Postulate.]( "State what additional information is required in order to know that the triangles are congruent based on the SAS Postulate.")
State what additional information is required in order to know that the triangles are congruent based on the SAS Postulate.- A.
Angle CBA ≈ angle ADC
- B.
Angle BAC ≈ angle DAC
- C.
Angle CAB ≈ angle ACD
- D.
Angle BCD ≈ angle DAB
- 18.
![State what additional information is required in order to know that the triangles are congruent based on the HL Postulate.]( "State what additional information is required in order to know that the triangles are congruent based on the HL Postulate.")
State what additional information is required in order to know that the triangles are congruent based on the HL Postulate.- A.
SQ ≈ VU
- B.
SR ≈ VU
- C.
SR ≈ VT
- D.
QR ≈ VT
- 19.
![The pair of triangles below has two corresponding sides and angles marked congruent. Indicate the additional information needed to enable us to apply the SAS Congruence Postulate.]( "The pair of triangles below has two corresponding sides and angles marked congruent. Indicate the additional information needed to enable us to apply the SAS Congruence Postulate.")
The pair of triangles below has two corresponding sides and angles marked congruent. Indicate the additional information needed to enable us to apply the SAS Congruence Postulate.- A.
CA ≈ AC
- B.
BA ≈ AD
- C.
BC ≈ DC
- D.
BD ≈ AC
- 20.
![The pair of triangles below has two corresponding sides and angles marked congruent. Indicate the additional information needed to enable us to apply the ASA Congruence Postulate.]( "The pair of triangles below has two corresponding sides and angles marked congruent. Indicate the additional information needed to enable us to apply the ASA Congruence Postulate.")
The pair of triangles below has two corresponding sides and angles marked congruent. Indicate the additional information needed to enable us to apply the ASA Congruence Postulate.- A.
Angle BCA ≈ angle DCA
- B.
Angle BAC ≈ angle DAC
- C.
Angle ABC ≈ angle ADC
- D.
Angle ACB ≈ angle ACB
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