Question

Three angles of a quadrilateral are 100 , 90

and 110

what is the fourth angle ?

a) 30

b) 120

c) 160

d) 60​

Answer 1

Answer:

sum of the angles of quadrilateral is 360°.

100+90+110=300°

4th angle = 360°- 300° = 60

option (d)

Answer 2

$\huge\mathtt{{\colorbox{silver}{★ANSWER★}}}$

Given angles = 100°,90°,110°

Sum total,

= 100° + 90° + 110°

= 300°

Value of Fourth angle?

360° - 300°

= 60°

$\mathtt{{\colorbox{silver}{OPTION D IS CORRECT ☑ }}}$