Geometry ---- Classifying Triangles 10/17/09

15 Questions | By Verdun | Last updated: Mar 21, 2022 | Total Attempts: 114

Questions

Settings

Create your own Quiz

Write the letter for the correct term beside each triangle description.

Questions and Answers

1.

Sides lengths are 3cm, 4cm, and 6cm.
- A.
  
  Right
- B.
  
  Obtuse
- C.
  
  Acute
- D.
  
  Scalene
- E.
  
  Isosceles
2.

Angle measures are 40*, 60*, and 80*.
- A.
  
  Right
- B.
  
  Obtuse
- C.
  
  Acute
- D.
  
  Scalene
- E.
  
  Isosceles
3.

Angle measures are 25*, 10*, and 145*.
- A.
  
  Right
- B.
  
  Obtuse
- C.
  
  Acute
- D.
  
  Scalene
- E.
  
  Isosceles
4.

Side measures are 6in, 5in, and 6in.
- A.
  
  Right
- B.
  
  Obtuse
- C.
  
  Acute
- D.
  
  Scalene
- E.
  
  Isosceles
5.

Angle measures are 30*, 60*, and 90*.
- A.
  
  Right
- B.
  
  Obtuse
- C.
  
  Acute
- D.
  
  Scalene
- E.
  
  Isosceles
6.

A triangle _________________ has a right angle and an obtuse angle.
- A.
  
  Sometimes
- B.
  
  Always
- C.
  
  Never
7.

The acute angles of a right triangle are ___________ complementary.
- A.
  
  Sometimes
- B.
  
  Always
- C.
  
  Never
8.

An obtuse triangle is ___________ an isosceles triangle.
- A.
  
  Sometimes
- B.
  
  Always
- C.
  
  Never
9.

An isosceles triangle is ____________ an equilateral triangle.
- A.
  
  Sometimes
- B.
  
  Always
- C.
  
  Never
10.

A triangle's angles ____________ add to 180*
- A.
  
  Sometimes
- B.
  
  Always
- C.
  
  Never
11.

A triangle with two 45* angles
- A.
  
  Right
- B.
  
  Acute
- C.
  
  Obtuse
12.

A triangle with a 102* angle
- A.
  
  Acute
- B.
  
  Obtuse
- C.
  
  Right
13.

A triangle in which all angles measure 60*
- A.
  
  Obtuse
- B.
  
  Scalene
- C.
  
  Aute
14.

A triangle in which side measures are 2m, 4m, and 7m.
- A.
  
  Equianglar
- B.
  
  Obtuse
- C.
  
  Scalene
15.

A triangle in which angle measures are 45*, 55*, and 80*
- A.
  
  Right
- B.
  
  Scalene
- C.
  
  Obtuse