Advertisements
Advertisements
प्रश्न
Two complementary angles are in the ratio 7 : 8. Find the angles.
उत्तर
Let two complementary angles are 7x and 8x
∴ 7x + 8x = 90°
⇒ 15x = 90°
⇒ x = `(90°)/15`
⇒ x = 6°
∴ Two complementary angles are
7x = 7 x 6° = 42°
8x = 8 x 6° = 48°
APPEARS IN
संबंधित प्रश्न
In the given diagram, ABC is a straight line. If x = 53°, find y.
In the given figure, PQR is a straight line. Find x. Then complete the following:
(i) ∠AQB = _______
(ii) ∠BQP = _______
(iii) ∠AQR = _______
`1/3` of 150°
`3/4` of 160°
Find the angle that is equal to its supplement?
The measures of two complementary angles are (2x – 7)° and (x + 4)°. Find x.
The measures of two supplementary angles are (3x + 15)° and (2x + 5)°. Find x.
For an angle x°, find:
(i) the complementary angle
(ii) the supplementary angle
(iii) the value of x° if its supplementary angle is three times its complementary angle.
Explain what do you understand by complementary angles?
Use the adjoining figure to find: (i) ∠BOD (ii) ∠AOC