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What is the value of a?​
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23 votes
What is the value of a?​

What is the value of a?​-example-1
User Nathan M
by
3.3k points

2 Answers

7 votes

Answer:

3.

Explanation:

12a+20a+28a=180(sum of interior angle of a triangle )

or, 60a=180

or, a= 180/60

therefore ..... a=3

User The Scrum Meister
by
3.8k points
5 votes

Answer:

A=60

Explanation:

Add 28+20+12

A=60

User Gisselle
by
3.7k points
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