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Answer 1

$\huge \mathbb \color{yellow}{ANSWER}$

LET THE MEASURE OF ANGLE BE 'X'..

Therefore, Angle A = 2x & Angle B = 3x

Angle B + Angle A = 180⁰...angle in linear pair

3x + 2x = 180⁰

5x = 180⁰

x = 180/5

x = 36⁰

Therefore, Angle A = 2 × 36⁰

Angle A = 72⁰

Angle B = 3 × 36⁰

Angle B = 108⁰

Angle B = Angle H ...( Exterior opposite angles )

But Angle B = 108⁰

Therefore,Angle H = 108⁰

HOPE IT HELPS UH..