Fill in the blanks with acute, obtuse, right or straight:
An angle whose measure is the sum of the measures of two right angles is _________

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Solution

Define straight angles
A straight angle is the one whose measure is $180 °$ .
A right angle is the one whose measure is $90 °$ .
So, the sum of two right angles will be $90 ° + 90 ° = 180 °$ , that is a straight angle.
Therefore, an angle whose measure is the sum of the measures of two right angles is a straight angle.

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