20. a) The area of a trapezium is 119cm*2and its altitude is 7cm. If one of the
parallel sides is longer than the other by 8cm, find the two parallel sides.
b) The circumference of the base of a cylinder is 88cm and its height is 65cm.
Find its total surface area.
Answers
Answered by
0
Answer:
Area=
Altitude=
The two parallel sides of the rhombus.
Let the shorter parallel side be
Then,the longer parallel side will be
We know that,
⟾Area of trapezium
(sum of parallel sides)
Substituting the values
And,
∴The two parallel sides are
Step-by-step explanation:
Similar questions