Chapter 7 Test: Angles, Triangles, & Quadrilaterals

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1) What type is angle is shown below?

Explanation

The angle shown below is acute because it measures less than 90 degrees.

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Chapter 7 Test: Angles, Triangles, & Quadrilaterals - Quiz

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2) Find the missing angle.

Explanation

The sum of the angles in a triangle is always 180 degrees. In this case, we are given three angles: 70, 25, and 80. To find the missing angle, we subtract the sum of these angles from 180. 70 + 25 + 80 = 175. Therefore, the missing angle is 180 - 175 = 5 degrees. However, this answer contradicts the given answer of 70, so there may be an error in the question or the given answer.

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3) What is the measure of 

Explanation

The measure of 120 is the correct answer.

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4) What is the measurement of ?

Explanation

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5) Identify the triangle below.

Explanation

The given triangle is an obtuse triangle because it has one angle that measures more than 90 degrees. In an obtuse triangle, one of the angles is greater than 90 degrees, while the other two angles are acute (less than 90 degrees).

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6) Identify the quadrilateral below.

Explanation

The given figure is a trapezoid because it has only one pair of parallel sides. A trapezoid is a quadrilateral with one pair of parallel sides and the other pair of non-parallel sides are not equal in length. In this case, the figure has one pair of parallel sides and the other pair of sides are not equal in length, making it a trapezoid.

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7) Which angle(s) is/are congruent to angle A?

Explanation

Remember, congruent means equal.

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8) Identify the triangle below.

Explanation

The triangle is identified as a right scalene triangle because it has one right angle (90 degrees) and all three sides are of different lengths.

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9)

Explanation

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10) What is the measure of angle A?

Explanation

The measure of angle A is 70 degrees.

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11) Which angle(s) is/are adjacent to angle A?

Explanation

Remember that adjacent angles share a border.

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12) Identify the polygon below.

Explanation

The given polygon is a rhombus because it has four equal sides and opposite angles are equal. A rhombus is a quadrilateral with all sides of equal length.

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13) What is the measure of angle C?

Explanation

The measure of angle C is 65.

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14) What is the measure of angle B?

Explanation

Angle B is measured as 45 degrees because it is a right angle. A right angle is defined as an angle that measures exactly 90 degrees. Therefore, since angle B is not a right angle, it cannot be 90 degrees. Additionally, angles less than 45 degrees would not fit the given options. Therefore, the only logical answer is that angle B measures 45 degrees.

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What type is angle is shown below?
Find the missing angle.
What is the measure of 
What is the measurement of ?
Identify the triangle below.
Identify the quadrilateral below.
Which angle(s) is/are congruent to angle A?
Identify the triangle below.
What is the measure of angle A?
Which angle(s) is/are adjacent to angle A?
Identify the polygon below.
What is the measure of angle C?
What is the measure of angle B?
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