daisystar0515 daisystar0515

26-01-2021
Mathematics

contestada

what is the value of a?

what is the value of a class=

Respuesta :

DanAndRiYa DanAndRiYa

26-01-2021

Answer:

A=60

Step-by-step explanation:

Add 28+20+12

A=60

Answer Link

subikaacharya subikaacharya

26-01-2021

Answer:

3.

Step-by-step explanation:

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

or, 60a=180

or, a= 180/60

therefore ..... a=3

Answer Link

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