If the angles (2x − 10)° and (x − 5)° are complementary angles, find x.

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Solution

It is given that and are complementary angles.

Therefore, their sum must be equal to 90°.

Thus,

Hence the value of x is.

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Similar questions

If the angles $(2 x - 10)^{\circ}$ and $(x - 5)^{\circ}$ are complemeniary angles, find x.

(2 x + 10)^{0}

(x + 20)^{0}

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