math eoy

Question 1

Volume of a cuboid

Answer 1

l x b x h

Question 2

Total surface area of a cuboid (closed)

Answer 2

2lb + 2bh + 2lh

Question 3

Volume of a prism

Answer 3

base area x height

Question 4

Total surface area of a prism

Answer 4

(2 x base area) + (perimeter of base x height)

Question 5

Pyramid volume

Answer 5

1/3 x base area x height

Question 6

Pyramid surface area

Answer 6

base area x areas of all lateral faces

Question 7

cone total surface area (base + curved)

Answer 7

πr² + πrl

Question 8

hemisphere volume

Answer 8

2/3 πr³

Question 9

Hemisphere closed surface area (base + curved)

Answer 9

πr² + 2πr²

Question 10

Linear graph equation:

Answer 10

y = mx + c

Question 11

Quadratic graph equation”

Answer 11

y = ax² + bx + c

Question 12

What is the gradient of a vertical graph

Answer 12

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Question 13

What is the gradient of a horizontal graph?

Answer 13

0.

Question 14

area of a parallelogram

Answer 14

b x h

Question 15

area of a trap

Answer 15

1/2 x (parallel line 1 + parallel line 2) x perpendicular height.

Question 16

polygon with 5 sides

Answer 16

pentagon

Question 17

polygon with 6ptag sides

Answer 17

hexagon

Question 18

polygon with 7 sides

Answer 18

heptagon

Question 19

polygon with 8 sides

Answer 19

octagon

Question 20

polygon with 9 sides

Answer 20

nonagon

Question 21

polygon with 10 sides

Answer 21

decagon

Question 22

sum of interior angles in a regular polygon

Answer 22

(n - 2) x 180 degrees