lelice03 lelice03
  • 23-07-2019
  • Mathematics
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What is the measure of

What is the measure of class=
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aishwarya65
aishwarya65 aishwarya65
  • 23-07-2019

Answer:

I think (c) 120 is right answer.

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BasketballEinstein
BasketballEinstein BasketballEinstein
  • 23-07-2019

Answer:

C. 120°

Step-by-step explanation:

Since this is an isosceles triangle [two congruent sides], m<B is also 30°. Now, we have to the m<A by using the Interior Angles Theorem [m<1 + m<2 + m<3 = 180°]. So we do this:

60 + m<A = 180; 120 = m<A

I am joyous to assist you anytime.

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