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 both angles are of 180° because of the the definition of straight angles. Using the definition of equality, m∠A=m∠B . Finally, ∠A≅∠B by definition of congruent. 

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 m∠A = 180° and m∠B = 1 because of the definition of straight angles .

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

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