If sum of measures of two angles is 90-0- then the angles are - - Maths Q-A

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Standard VII

Mathematics

Complementary Angle

If sum of mea...

Question

If sum of measures of two angles is $90 °$ , then the angles are ____.

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Solution

Complementary angles
A pair of angles that sum up to $90 °$ are called complementary Angles.
Example: $60 °$ and $30 °$ are complementary angles as $60 ° + 30 ° = 90 °$ .
Hence, the angles are complementary.

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Similar questions

Write the converse of each of the following statements.

(i) If the sum of measures of angles in a figure is 180⁰ , then the figure is a triangle.

(ii) If the sum of measures of two angles is 90⁰ then they are complement of each other.

(iii) If the corresponding angles formed by a transversal of two lines are congruent then the two lines are parallel.

(iv) If the sum of the digits of a number is divisible by 3 then the number is divisible by 3.

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 _______.

Which of the following statements are true., (T) and which are false (F)?

(i) Angles forming a linear pair are supplementary.
(ii) If two adjacent angles are equal, then each angle measures $90^{\circ}$ .
(iii) Angles forming a linear pair can both be acute angles.
(iv) If angles forming a linear pair are equal, then each of these angles is of measure $90^{\circ}$ .

Q. If the sum of the measures of two angles is 90 degrees, then what are they called?

Q. If the sum of the measures of two angles is

90^{\circ}

, then the angles are called _____ angles.

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If sum of measures of two angles is 90°, then the angles are ____.

Complementary anglesA pair of angles that sum up to 90° are called complementary Angles.Example: 60° and 30° are complementary angles as 60°+30°=90°.Hence, the angles are complementary.

If sum of measures of two angles is $90 °$ , then the angles are ____.

Complementary angles
A pair of angles that sum up to $90 °$ are called complementary Angles.
Example: $60 °$ and $30 °$ are complementary angles as $60 ° + 30 ° = 90 °$ .
Hence, the angles are complementary.