Topic 10 - Shapes

Question 1

How do you find the perimeter of any 2D shape?

Answer 1

Add every side up

Question 2

How do you find the area of a square or rectangle?

Answer 2

Length x Width

Question 3

How do you find the area of compound shapes?

Answer 3

Split it up into squares and triangles.
Find the area of these shapes.
Add the area’s together

Question 4

How do you find the area of a right-angled triangle?

Answer 4

      2

Question 5

How do you find the area of a parallelogram?

Answer 5

Base x Vertical Height

Question 6

How do you find the volume of a cuboid?

Answer 6

length x Width x Height

Question 7

How do you find the surface area of a cuboid?

Answer 7

Find the area of all the faces.

Add the area’s together.

Question 8

How do you find the volume of a cylinder?

Answer 8

∏ x r(root 2) x Height

Question 9

How do you find the surface area of a cylinder?

Answer 9

(2 x ∏ x r(root 2)) + (∏ x d x h)

Question 10

How do you find the volume of a pyramid?

Answer 10

1/3 x Area of Base x Perpendicular Height

Question 11

How do you find the volume of a cylinder?

Answer 11

∏ x r(root 2) x Perpendicular Height

Question 12

How do you find the volume of a frustum?

Answer 12

Find the volume of the two parts.
Find the volume of the original shape.
Find the volume of the missing bit.
Big - small

Question 13

What part is the frustum?

Answer 13

The shape left when its top has been cut off.