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KatRina [158]
3 years ago
8

What is the measurement of angle A. Enter your answer in the box

Mathematics
1 answer:
Elan Coil [88]3 years ago
4 0

Answer:

\displaystyle\boxed{60^{\circ}}

Step-by-step explanation:

The vertical angles at E are the same and are included in both triangles ABE and CDE. Since the sum of angles of a triangle is 180°, the sum of the angles at A and B will match the sum of the angles at C and D. That is, when either sum is added to the angle at E, the result will be 180°.

A = (C+D)-B = (43 +35 -18)°

A = 60°

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