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4vir4ik [10]
3 years ago
14

Given: ∠A is a straight angle. ∠B is a straight angle.

Mathematics
2 answers:
choli [55]3 years ago
7 0

Given: ∠A is a straight angle. ∠B is a straight angle.

We need to Prove: ∠A≅∠B.

We know straight angles are of measure 180°.

So, ∠A and <B both would be of 180°.

It is given that ∠A and ∠B are straight angles. This means that <u>both angles are of 180°</u> because of the <u>the definition of straight angles</u>. Using <u>the definition of equality</u>, m∠A=m∠B . Finally, ∠A≅∠B by <u>definition of congruent. </u>

Alika [10]3 years ago
5 0

Just took the quiz, the right answers are:

It is given that ∠A and ∠B are straight angles. This means that <u>m∠A = 180° and m∠B = 1</u> because of the <u>definition of straight angles</u> .

Using the <u>substitution property of equality</u> , m∠A = m∠B . Finally, ∠A≅∠B by <u>angle congruence postulate</u> .

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