3 years ago

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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