Question

plz answer these questions....
Q8.The measure of two angles of a quadrilateral are 115 and 45and the other two angles are equal. Find the measure of each of equal angles.
Q9. The length of rectangle is 8 cm and each of its diagonal is 10 cm . Find the breadth.

Answer 1

8. one angle=115
second angle = 45
third and fourth be r and s
a.t.s
115+45+r+s=360
r+s=360-160
r+s=200
2r=360
r=100 degree