Advertisements
Advertisements
प्रश्न
In the following figure, POR is a line. The value of a is ______.
पर्याय
40°
45°
55°
60°
Advertisements
उत्तर
In the following figure, POR is a line. The value of a is 40°.
Explanation:
We know that, when the sum of the measures of two angles is 180°, then the angles are called supplementary angles.
⇒ (3a + 5)° + (2a – 25)° = 180°
⇒ 3a + 5 + 2a – 25° = 180°
⇒ 5a – 20° = 180°
⇒ 5a = 180° + 20°
⇒ 5a = 200°
⇒ a = `200^circ/5`
⇒ a = 40°
APPEARS IN
संबंधित प्रश्न
Identify the given pair of angles are complementary or supplementary.
112°, 68°
Can two angles be supplementary if both of them are acute?
Find the supplementary angle of 70°
Find the supplementary angle of 90°
Find the supplementary angle of 0°
Write the measure of the supplementary angle of the following angles
150°
Angles which are both supplementary and vertically opposite are ______.
In the following figure, ∠AOC and ∠BOC form a pair of ______.
The supplement of an acute is always ______ angle.
One obtuse angle and one acute angle can make a pair of supplementary angles.
