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3 years ago

5

Construct equilateral triangle with sides, ABC such that AB = AC = CB = 10.5 cm. Measure and write down the size of angle < A

BC.

1 answer:

tester [92]3 years ago

5 0

Answer:

∠ABC = 60°

Step-by-step explanation:

All angles in equilateral triangles are equal.

all angles in triangles added together = 180°

180°/3 = 60°

All angles in equilateral triangles are equal to 60°.

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