Advertisements
Advertisements
प्रश्न
How many pairs of adjacent angles, in all, can you name in below fig.?
उत्तर
Pairs of adjacent angles are
`∠`EOC, `∠`DOC
`∠`EOD, `∠`DOB
`∠`DOC, `∠`COB
`∠`EOD, `∠`DOA
`∠`DOC, `∠`COA
`∠`BOC, `∠`BOA
`∠`BOA, `∠`BOD
`∠`BOA, `∠`BOE
`∠`EOC, `∠`COA
`∠`EOC, `∠`COB
∴ Hence 10 pairs of adjacent angles
APPEARS IN
संबंधित प्रश्न
In the given figure, if x + y = w + z, then prove that AOB is a line.
Write the complement of the following angles .
35°
Write the complement of the following angles.
77°
If the supplement of an angle is three times its complement, find the angle.
In the below Fig, ∠AOC and ∠BOC form a linear pair. if a − 2b = 30°, find a and b.
Given ∠POR = 3x and ∠QOR = 2x + 10, find the value of x for which POQ will be a line.
(Below fig).
If below fig, ∠AOF and ∠FOG form a linear pair.
∠EOB = ∠FOC = 90° and ∠DOC = ∠FOG = ∠AOB = 30°
(i) Find the measures of ∠FOE, ∠COB and ∠DOE.
(ii) Name all the right angles.
(iii) Name three pairs of adjacent complementary angles.
(iv) Name three pairs of adjacent supplementary angles.
(v) Name three pairs of adjacent angles.
In below fig, OP, OQ, OR and OS arc four rays. Prove that:
∠POQ + ∠QOR + ∠SOR + ∠POS = 360°
AB, CD and EF are three concurrent lines passing through the point O such that OF bisects
∠BOD. If ∠BOF = 35°, find ∠BOC and ∠AOD.
If below fig, if AB || CD and CD || EF, find ∠ACE.
