Straight Angle Practice

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Question 1

Which of the following are straight angles?

identify all the obtuse angles

Answer

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Select and check your answer...

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

Step by Step Solution

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    Step 1

    Angle I is definitely straight angle as it is equals to 180°.

    straight-angle-I.png
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    Step 2

    As for angle II, it is not a straight angle. This is because this angle is not equals to 180°.

    Angle II is not an obtuse angle
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    Step 3

    Angle III is definitely not a straight angle.

    Angle III is not an obtuse angle
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    Step 4

    Angle IV is a straight angle.

    Angle IV is an obtuse angle
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    Step 5

    Clearly, only I and IV are straight angles. Hence, the answer is A.

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