What is the value of x? 20 40 45 85

AxelPAL asked Dec 6, 2022

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28 votes

What is the value of x?

20

40

45

85

AxelPAL asked Dec 6, 2022

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11 votes

Complementary angles have sum 90°

$\\ \sf\longmapsto 2x+10=90$

$\\ \sf\longmapsto 2x=90-10$

$\\ \sf\longmapsto 2x=80$

$\\ \sf\longmapsto x=40$

Canni answered Dec 11, 2022

by Canni

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