Question

please anyone solve 13 question ​

Answer 1

Answer:

LET THE ANGLES BE 2x and 7x

90° + 2x + 7x = 180°

9x=90

x= 10

2x=20°

7x=70°

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

let the ratio be x

sum of two acute angle is 90

so 2x+7x=90

=>9x=90

=>x=90/9

=x=10

so...

2x=2×10

=20°

7x=7×10

=>70°

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