barbarajulissy97 barbarajulissy97

26-01-2021
Mathematics

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What is the value of a?

What is the value of a class=

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Dammy06 Dammy06

26-01-2021

Answer:

Let us make the last unknown interior angle be "b"

b+a+36=180

b=180-36-a

b=144-a

for the main triangle,

a+144-a+a-28=180

2a+116=180

2a=180-116

2a=64

a=32

so a=32

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