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FORMULAS: AREA OF SHAPES Flashcards

(11 cards)

1
Q

What is the formula for the AREA of a rectangle?

A
A = bh
Area = breadth x height
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2
Q

What is the formula for the AREA of a square?

A

A = bh
Area = breadth x height
/or/
Area = side^2 (squared)

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3
Q

What is the formula for the AREA of a triangle?

A
A = 1/2bh
Area = 1/2 x breadth x height
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4
Q

What is the formula for the AREA of a parallelogram?

A
A = bh
Area = breadth x height
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5
Q

What is the formula for the AREA of a kite?

A
A = 1/2xy
Area = 1/2 x x(height) x y(width)
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6
Q

What is the formula for the AREA of a rhombus?

A
A = 1/2xy
Area = 1/2 x x(diagonal) x y(diagonal)
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7
Q

What is the formula for the AREA of a trapezium?

A
A = 1/2h(a+b)
Area = 1/2 x height x (the addition of the length of both parallel sides)
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8
Q

What is the formula for the AREA of a circle?

A
A = Pi r^2 (squared)
Area = Pi x radius^squared
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9
Q

What is the formula for the AREA of a sector (of a circle)?

A
A = degree/360xPi r^2
A = degree/360 x Pi radius^squared
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10
Q

What is the formula for the SURFACE AREA of a cylinder?

A

SA = 2Pi r^2 + 2Pi rh

Surface Area = 2 x Pi x radius^squared + 2 x Pi x radius x height

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11
Q

What is the formula for the SURFACE AREA of a sphere?

A

SA = 4Pi r^2

Surface Area = 4 x Pi x radius^squared

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