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Delvig [45]
2 years ago
11

Angle r° = 2w°. What is the measure of angle r°? 120° 240° 143° 286°

Mathematics
1 answer:
Tanya [424]2 years ago
4 0

Answer:

D = 286°

Step-by-step explanation:

Find both the angles of each right triangle.

Triangle A : 53°,  37°, 90°

180° - 127° = 53°

53° + 90° = 143°

180° - 143° = 37°

Triangle B: 90°, 53°, 37°

180° - 127° = 53°

53° + 90° = 143°

180° - 143° = 37°

Now, we find <em>w.</em>

<em>w</em> = 180° - 37° = 143°

<em>r </em>= 2<em>w</em> = 143 × 2

<em>r</em> = 286°

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