Q14 of 805 Page 257

In the given figure, AB || CD. Find the value of x.

Lets draw another line XY || AB and CD.


According to the figure,


⇒ ∠a = 40° [Alternate angles]


⇒ ∠b = 35° [Alternate angles]


⸫ ∠x + ∠a + ∠b = 360° [Angle at a point = 360°]


⸫ ∠x = 360° - 40° - 35° = 285°


More from this chapter

All 805 →
12

If x = (3 + √8), find the value of

13

Find the area of the triangle whose sides measure 52 cm, 56 cm and 60 cm respectively.

 15

Find the values of a and b so that the polynomial (x4 + ax3 – 7x2 - 8x + b) is exactly divisible by (x + 2) as well as (x + 3).

 16

Using remainder theorem, find the remainder when p(x) = x3 – 3x2 + 4x + 50 is divided by (x + 3).