Acute Angle Practice

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Question 1

Which of the following are acute angles?

identify all the acute angles

Answer

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Select and check your answer...

A. I & III
B. I & II
C. II & IV
D. II & III

Step by Step Solution

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    Step 1

    Angle I is definitely an acute angle:

    Angle I is an acute angle
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    Step 2

    As for angle II, it is also an acute angle. This is because this angle is somewhere in between 0° and 90°.

    Angle II is an acute angle
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    Step 3

    Angle III is not an acute angle as it is greater than 90°.

    Angle III is not an acute angle
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    Step 4

    Again, angle IV is not an acute angle as this angle is greater than 90°.

    Angle IV is not an acute angle
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    Step 5

    Clearly, only I and II are acute angles. Hence, the answer is B.

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