Sum of two adjacent angles is 90 degrees- If one angle is 15 degrees- then find the other-65 degrees15 degrees nbsp-75 degrees nbsp-35 degrees nbsp-

The correct option is C 75 degrees nbsp;Given: nbsp;Sum of the adjacent angles is 90^∘. Let the required angle be x. x + 15^∘ = 90^∘ nbsp; (Given) ⇒ x = ...

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Standard VII

Mathematics

Addition and Subtraction of Angles

Sum of two ad...

Question

Sum of two adjacent angles is 90 degrees. If one angle is 15 degrees, then find the other.

15 degrees

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75 degrees

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35 degrees

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65 degrees

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Solution

The correct option is B 75 degrees
Given: Sum of the adjacent angles is $90^{\circ}$ .

Let the required angle be x.
$x + 15^{\circ} = 90^{\circ}$ (Given)
$\Rightarrow x = 90^{\circ} - 15^{\circ} = 75^{\circ}$
$\Rightarrow x = 75^{\circ}$
So, the required angle measures $75^{\circ}$ .

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Sum of two adjacent angles is 90 degrees. If one angle is 15 degrees, then find the other.

The correct option is B 75 degrees Given: Sum of the adjacent angles is 90∘. Let the required angle be x. x+15∘=90∘ (Given) ⇒x=90∘−15∘=75∘ ⇒x=75∘ So, the required angle measures 75∘.

The correct option is B 75 degrees
Given: Sum of the adjacent angles is $90^{\circ}$ .

Let the required angle be x.
$x + 15^{\circ} = 90^{\circ}$ (Given)
$\Rightarrow x = 90^{\circ} - 15^{\circ} = 75^{\circ}$
$\Rightarrow x = 75^{\circ}$
So, the required angle measures $75^{\circ}$ .