Areas

Question 1

What is the formula for the area of a rectangle?

Answer 1

L x W

Question 2

What is the formula for the area of a square?

Answer 2

L squared

Question 3

What is the formula for the area of a triangle?

Answer 3

B x H divide by 2

Question 4

What is the formula for the area of a parallelogram?

Answer 4

B x H

Question 5

What is the formula for the area of a trapezium?

Answer 5

Average of parallel sides x H
A
(A+b) x h

Question 6

What are composite shapes?

Answer 6

Composite shapes are made up of different shapes stuck together.

Question 7

How do you find the area of a composite shape?

Answer 7

Split the shape into seaport shape, find the area of each shape and add them together.

Question 8

What is the formula for the area of a circle?

Answer 8

TTxr2

Question 9

How do you find the circumference of a circle?

Answer 9

TTxdiameter

2xTTx R

Question 10

How do you find the area of a sector

Answer 10

X ÷ 360 x area of full circle

Question 11

How to find the length of an arc

Answer 11

X ÷ 360 x circumference of circle.

Question 12

How to find the area of segment

Answer 12

1. Find the area of the sector
2. Find the area of the triangle
3. Subtract triangle area from sector area.