Question

10.
Two parallel sides of an isosceles trapezium are 31 om and 15 cm. Its non parallel sides are each equal to
17 cm. Find the area of the trapezium,​

Answer 1

Step-by-step explanation:

8^2+h^2=17^2

64+h^2=289

h^2=225

h=15cm

area of trapezium =1/2(15+31)×15cm

=345cm^2