Math, asked by rajulvikasjain, 9 months ago

Please tell fast I have to do it just now​

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Answered by tripathieidree
1

Answer:

ans:x=70

Step-by-step explanation:

as it is mentioned that they are Complementary :

x-20+x-30=90

2x-50=90

2x= 140[90+50]

x = 70 [ 140/2]

hope it helped :)

Answered by emma3006
0

Step-by-step explanation:

Since, ∠A & ∠B are complementary.

so, ∠A + ∠B = 90°

⇒(x-20°)+(x-30°) = 90°

⇒2x-50° = 90°

⇒2x = 90°+50° = 140°

⇒x = \frac{140°}{2}

⇒x = 70°

so, ∠A = 70°-20° = 50°

∠B = 70°-30° = 40°

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