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Types of Angles

Which of the ...

Question

Which of the following angles in the diagram are acute?

A

∠

A

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B

∠

B +

∠

C

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C

∠

C

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D

∠

D

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Solution

The correct option is D $∠$ D

Acute angles are the angles that are less than 90 $^{\circ}$ .
From the figure, $∠$ B and $∠$ D are less than 90 $^{\circ}$
$\Rightarrow$ They are acute angles.

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