Geometry Flashcards by Samantha Jones

Q

Area of a rectangle

A

Length x width

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Q

Area of a triangle

A

½ x base x height

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Q

Area of a parallelogram

A

Base x perpendicular height

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Q

Area of a trapezium

A

(a + b)/2 x h

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Q

Angles in a triangle sum to….

A

180 degrees

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Q

Angles in a quadrilateral sum to…

A

360°

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Q

Volume of a cuboid

A

length x width x height

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Q

Area of a circle

A

Pi x r²

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Q

Circumference of a circle

A

Pi x diameter

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Q

The diameter is _______ the radius

A

Twice

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Q

The name of a triangle with three equal sides

A

Equilateral

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Q

The name of a triangle with 2 equal length sides

A

Isosceles

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Q

The name of a triangle with all different length sides

A

Scalene

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Q

Volume of a prism

A

Area of cross-section x length

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Q

angles about a point sum to…

A

360 degrees

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Q

angles on a straight line sum to…

A

180 degrees

Q

vertically opposite angles are….

A

Equal

Q

Corresponding angles are…

A

Equal

Q

Alternate angles are…

A

Equal

Q

Co-interior angles sum to…

A

180 degrees