If two angles are complementary, then the sum of their measure is _____ .

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Solution

If two angles are complementary, then the sum of their measure is $90 °$
Let us consider two angles $63 °, 27 °$
In order to determine whether the angles are supplementary or complementary, we have to find the sum of the given angles.
Sum is $63 ° + 27 ° = 90 °$
Therefore $63 °, 27 °$ are complementary angles because the sum of their measure is $90 °$ .
Hence If two angles are complementary, then the sum of their measure is $90 °$

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Question 13 (i)
If two angles are complementary, then the sum of their measures is ___

Fill in the blanks:

(i) If two angles are complementary, then the sum of their measures is _______.

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(v) If two lines intersect at a point, then the vertically opposite angles are always _______.

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(ii) Iftwo angles are supplementary, then the sum of their measures is_______.

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