Perimeter-Area-Volume

Question 1

What is the formula to find the area of a triangle?

Answer 1

1/2 × base × perpendicular height

Question 2

What is the formula to find the area of a circle?

Answer 2

ㅠr (squared)

Question 3

What is the formula for the circumference of a circle?

Answer 3

2ㅠr

Question 4

What is the formula for a sector’s area?

Answer 4

Angle over 360 × ㅠr (squared)

Question 5

What is the formula to find arc length?

Answer 5

Angle/ 360 × 2ㅠr

Question 6

What is the symbol for arc length?

Answer 6

l

Question 7

What is another word for width?

Answer 7

Breadth

Question 8

What does a litre amount to?

Answer 8

1,000 cm (cubed)

Question 9

What is a net of a solid?

Answer 9

What a solid looks like if we fold it out flat

Question 10

What is a prism?

Answer 10

It’s a solid object with identical ends, flat faces and the same cross section all along its length.

Question 11

How do you find the volume of a prism?

Answer 11

Area of base × length/ height

Question 12

What is an area of a base?

Answer 12

Pair of equal ends

Question 13

How do you find the surface area of a shape?

Answer 13

1/2 × base × height