Question

A. Find the value of unknown angle x.​

Answer 1

Step-by-step explanation:

I)of ques.A

IN ∆ABC,

2x+3x=120⁰(exterior angle property)

5x=120⁰

x=120⁰/5=24⁰

x=24⁰(answer of  i)ofA)

II)of ques.A

60⁰+x=100⁰(exterior angle property)

x=100⁰-60⁰

x=40⁰(answer of  ii)ofA)

III)of ques.A

3x+2x+x=180⁰(Angle sum property)

6x=180⁰

x=180⁰/6

x=30⁰(answer of  iii)ofA)

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Answer 2

Hope it helps you …………….