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OLga [1]
3 years ago
6

The shape is a rectangle, will you please help me find the angle measures of 1,2 and 3?

Mathematics
1 answer:
Ulleksa [173]3 years ago
8 0

Answer:

  ∠1 = ∠3 = 54°; ∠2 = 36°

Step-by-step explanation:

Each of the triangles is isosceles. Triangles opposite each other are congruent, so ∠2 is congruent to 36°.

∠2 and ∠3 are complementary, so ∠3 is 54°. Since ∠3 is congruent to ∠1, it, too, is 54°.

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