Question

Question 1.
Find the area of a trapezium whose parallel sides are 12 cm and 20 cm and the distance between them is 15 cm.
Question 2.
Find the area of a trapezium whose parallel sides are 38.7 cm and 22.3 cm, and the distance between them is 18 cm.
Question 3.
The area of a trapezium is 1440 cmsq. If the lengths of its parallel sides are 54.6 cm and 35.4 cm, find the distance between them.
Question 4.
There are two cuboidal whose dimensions are given below. Which box requires the higher amount of material to make?
Cuboid A: L=23, B=30, H=40
Cuboid B: L=30, B=12, H=44
Question 5.
Meghna painted the outside of the cabinet of measure 2 m × 3 m × 2.5 m. How much surface area did she cover if she painted all except the bottom of the cabinet and back side?​

Answer 1

Answer:

Step-by-step explanation:

Area of trapezium

=1/2  into sum of parallel sides into height

=1/2 into (12+20) into 15

1/2 into 32 into 15

16 into 15

240 ans

Answer 2

Step-by-step explanation:

area 1/2 ab+cd ×h

we use this formula