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umka21 [38]
2 years ago
8

15 Mary needs to work out the size of angle x in this diagram.

Mathematics
1 answer:
Drupady [299]2 years ago
7 0

Mary is wrong because ∠A = ∠B = 63°, while ∠C = x ≠ 63°

<h3>What is a triangle?</h3>

A triangle is a polygon with three sides and three angles. Types of triangles are equilateral, isosceles and right angled.

An isosceles triangle is a triangle in which two sides and two angles are equal.

From the diagram:

∠A = ∠B (base angles)

Mary is wrong because ∠A = ∠B = 63°, while ∠C = x ≠ 63°

Find out more on triangle at: brainly.com/question/17335144

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