Shape 1 Flashcards

(11 cards)

1
Q

What is the area of a shape?
What’re it’s units ?

A

•The amount of space enclosed within a shape.
•Only for 2 dimensional shapes
•Units for area are cm²

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2
Q

What is the perimeter of a shape ?
What are the units used ?

A

•The total distance around the edge of a 2 dimensional shape
•The units for perimeter are cm

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3
Q

What is the volume of a shape ?
What are the units used ?

A

•The total amount of space within a 3D shape
•It’s units are cm³

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4
Q

How do you calculate the area of a square / rectangle ?

A

•You just multiply the length of the base by the height

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5
Q

How do you calculate the volume of a cube ?

A

•You multiply the base, height and widthtogether.

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6
Q

How do you calculate the perimeter of a shape ?

A

•You add up all the side lengths of the shape

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7
Q

How do you calculate the area of a triangle ?

A

•First, you multiply the base and height values, like for a square
•Then you half this number
•You do this as a triangle will only take up half the amount of space as a square with the same base and height.

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8
Q

What is Pythagoras theroum and what is it used for ?

A

•a² + b² = c²
•This equation is used to work out missing lengths in right angle triangles
•c is always the longest length (opposite the right angle)
•a and b can be either of the other two lengths.

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9
Q

How many degrees are in a triangle ?

A

•180°
•This means that if you add up all the angles it will =180

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10
Q

How many degrees are in a 4 sided shape (square, rectangle, kite)

A

•360°
•This means that if you add all the angles in a 4 sided shape it will =360

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11
Q
A
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