226k views
4 votes
Find the measure of angle A for the triangle shownThe value of angle Ais

1 Answer

7 votes

Answer:

A = 47

Step-by-step explanation:

The sum of the angles in a triangle adds up to 180 degrees; therefore,


A+B+C=180

Since B = 31 and C = 102, we have


31+102+A=180
133+A=180

Subtracting 133 from both sides gives


A=180-133
A=47

which is our answer!

User Benjamin Dobell
by
8.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.