Grade 7 McGraw Hill Glencoe - Answer Keys Answer keys Chapter 7: Geometric Figures; Lesson 3: Triangles

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Grade 7 McGraw Hill Glencoe - Answer Keys

Chapter 7: Geometric Figures; Lesson 3: Triangles

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Question 27 (request help)
How would you find m\(\angle R\)?
- A. Add 30° to 180°.
- B. Subtract 60° from 180°.
- C. Subtract 30° from 90°.
- D. Subtract 180° from 60°.

(show solution)

Question 28 (request help)
Which statement is true about the relationship between the measures of \(\angle A\) and \(\angle B\), two acute angles of an obtuse triangle?
- F. \( m \angle A + m \angle B = 90°\)
- G.\( m \angle A + m \angle B = 180°\)
- H. \( m \angle A + m \angle B > 90°\)
- I. \(m \angle A + m \angle B < 90°\)

(show solution)

Question 29 (request help)
Short Response What is the value of b in the triangle below?

\(b=\)

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Spiral Review

Find the area of each figure.

Question 30 (request help)

\(A=\)

\(\text{in}^2\)

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Question 31 (request help)

\(A=\)

\(\text{ft}^2\)

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Question 32 (request help)

\(A=\)

\(\text{cm}^2\)

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Question 33 (request help)

\(A=\)

\(\text{m}^2\)

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Question 34 (request help)

\(A=\)

\(\text{yd}^2\)

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Question 35 (request help)

\(A=\)

\(\text{in}^2\)

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