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Question
Fill in the blanks with acute, obtuse, right or straight:
When the sum of the measures of two angles is that of a right angle, then each one of them is ______.
Options
acute angle
obtuse angle
right angle
straight angle
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Solution
When the sum of the measures of two angles is that of a right angle, then each one of them is acute angle.
Explanation:
An angle smaller than a right angle is called an acute angle. These are acute angles.
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Measure and classify each angle :
|
Angle |
Measure |
Type |
|
∠AOB |
|
|
|
∠AOC |
|
|
|
∠BOC |
|
|
|
∠DOC |
|
|
|
∠DOA |
|
|
|
∠DOB |
|
|
