Question

4 po
(c) In the given figure AB is parallel to CD and
CA=CE. Find the values of x. y.
D​

Answer 1

Answer:

Two angles whose sum is 90° are called complementary angles.

It is given that the angles (2x – 5)° and (x – 10)° are the complementary angles.

∴ (2x – 5)° + (x – 10)° = 90°

⇒ 3x° – 15° = 90°

⇒ 3x° = 90° + 15° = 105°

⇒ x° = 105°3 = 35°

Thus, the value of x is 35.