2

Set 5: Triangles

Explanation

Answer: B

Layla is designing a triangular kite. Two angles measure 73° and 70°. Find the measure of the remaining angle.

A.

27

B.

37

✓ Correct
C.

18

D.

47

Detailed Explanation

Choice B is correct. The sum of angles in a triangle is always 180°. 1. Two known angles: 73° + 70° = 143° Third angle: 180° - 143° = 37° Therefore, the third angle is 37°.

Key Steps:

The correct answer is 37

Why others are wrong:
A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.
C: This would give an incorrect result. Choice C is incorrect and may result from a calculation error.
D: This would give an incorrect result. Choice D is incorrect and may result from a calculation error.

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