Lines And Angeles

Value of x in the figure below is:

• 20°

• 40°

• 80°

• 160°

If two complementary angles are in the ratio 13 : 5, then the angles are:

• 13x ^o, 5x ^o

• 25^o, 65^o

• 65^o, 25^o

• 65^o, 35^o

The diagonals of the rectangle ABCD intersect at O. If ∠COD = 78°, then ∠OAB is:

• 35^o

• 51^o

• 70^o

• 110^o

In the given figure, find the value of x:

• 40^o

• 50^o

• 60^o

• 80^o

In the given figure, if the angles a and b are in the ratio 2 : 3, then angle c is:

• 90^o

• 126^o

• 144^o

• Obtuse angle

In the given figure, ∠1 = ∠2 then the measurements of ∠3 and ∠4 are:

• 58^o, 61^o

• 61^o, 61^o

• 119^o, 61^o

• 119^o, 119^o

In the figure, if x, y and z are exterior angles of ΔABC then x + y + z is:

• 90^o

• 180^o

• 270^o

• 360^o

In the figure, p || q. The value of x is:

• 35^o

• 55^o

• 70^o

• 110^o

In the given figure, if ∠ AOC = 50° then (∠AOD + ∠COB) is equal to:

• 100^o

• 130^o

• 140^o

• 260^o

In the given figure, ABCD is a rectangle in which ∠APB = 100°. The value of x is:

• 40^o

• 50^o

• 60^o

• 70^o