Question

please solve question number 7

Answer 1

IT IS A RIGHT ANGLE TRIANGLE

SO, IN ΔBEC

WE KNOW THAT

A+B+C = 180

SO, ∠CEB+EBC+∠BCE = 180

==>  3X+2X+90 = 180

==> 5X = 90

==> X = 18

SO, WE FIND ∠CEB

SO, GIVEN THAT ∠CEB= 3X

==> 3(18)

ANSWER ==> 54°

∠BCE = 2X

==> 18*2

==> 36