Choose the correct word and fill in the blanks :
………………… angles are two angles whose measures add to $180 °$ . (complementary / supplementary)

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Solution

Supplementary angles :
Two angles are said to be supplementary angles if they add up to $180 °$ .
In the given figure the sum of $∠ A O B$ and $∠ B O C$ is $180 °$ , (i.e. $110 ° + 70 ° = 180 °$ ).
So, $∠ A O B$ and $∠ B O C$ are supplementary angles.
Hence supplementary angles are two angles whose measures add to $180 °$ .

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Similar questions

Choose the correct option:

If two angles are supplementary, then their sum is ___________

A. 90°

B. 180°

C. 270°

D. 360°

Fill in the blanks:

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

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

(iii) Two angles forming a linear pair are _______.

(iv) If two adjacent angles are supplementary, they form a _______.

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

(vi) If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are _______.

Question 50

Fill in the blanks to make the statement true.

Two angles forming a ___ pair are supplementary,

Fill in the blanks:

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

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

(iii) Two angles forming a linear pair are _______.

(iv) If two adjacent angles are supplementary, they form a _______.

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

(vi) If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are _______.

Check the given angles are complementary angles or supplementary angles:

$0 °, 180 °$ .

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Choose the correct word and fill in the blanks :………………… angles are two angles whose measures add to 180°. (complementary / supplementary)

Supplementary angles :Two angles are said to be supplementary angles if they add up to 180°.In the given figure the sum of ∠AOB and ∠BOCis 180°, (i.e. 110°+70°=180°).So, ∠AOB and ∠BOC are supplementary angles.Hence supplementary angles are two angles whose measures add to 180°.

Choose the correct word and fill in the blanks :
………………… angles are two angles whose measures add to $180 °$ . (complementary / supplementary)