Shapes, perimeter, and area
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Area | the number of square tiles that can fit on the inside of a shape
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| Perimeter | the distance around the edge of a shape; pe(rim)eter
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| Complementary Angles | two angles that total 90 degrees when added together
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| Supplementary Angles | two angles that total 180 degrees when added together
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| Right Scalene Triangle | a triangle with one right angle and two acute angles. three sides with different lengths and three angles with different measures.
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| Right Isosceles Triangle | a triangle with one right angle and two acute angles. two equal sides and two equal angles.
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| Acute Equilateral Triangle | a triangle with three acute angles each measuring 60 degrees and three equal sides
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| Acute Isosceles Triangle | a triangle with three acute angles. two equal sides and two equal angles.
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| Acute Scalene Triangle | a triangle with three acute angles. three sides with different lengths and three angles with different measures
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| Obtuse Isosceles Triangle | a triangle with one obtuse angle and two acute angles. two equal sides and two equal angles.
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| Obtuse Scalene Triangle | a triangle with one obtuse angle and two acute angles. three sides with different lengths and three angles with different measures.
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| Square | four equal sides. four 90 degree angles
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| Rhombus | four equal sides. opposite angles equal.
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| Rectangle | four 90 degree angles. opposite sides equal.
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| Parallelogram | two sets of parallel sides. opposite sides equal. opposite angles equal.
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| Trapezoid | one set of parallel sides.
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| Polygon | a shape with no gaps. made of straight lines.
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| Sum of Angles in a Triangle | 180 degrees
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| Sum of Angles in a Quadrilateral | 360 degrees
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| Area Formula for a Square | s x s
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| Area Formula for a Rectangle | l x w or b x h
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| Area Formula for a Parallelogram | b x h
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| Area Formula for a Triangle | b x h / 2
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| Area Formula for a Trapezoid | (base one + base two) x h / 2
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| Base | flat bottom side that shape sits on
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| Height | straight line from top of shape to the bottom. makes right angle with base.
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Created by:
l0803220
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