Triangle, Circle, Parallelogram, Trapezoid
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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The area formula for a triangle is... | (1/2)*b*h
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The area formula for a parallelogram (including rectangle and square) is... | b*h
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The area formula for a rhombus (using diagonals) is... | (1/2)d1*d2
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The area of a trapezoid is... | (1/2)*h*(b1+b2)
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The area of a circle is... | pi*r^2
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The circumference of a circle is... | 2*pi*r
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When determining the height of an object, always remember that the height must be... | PERPENDICULAR to the base!
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The area of a regular polygon is... | (1/2)*a*p (a=apothem, p=perimeter)
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In a 45-45-90 triangle, the length of the hypotenuse is... | (length of leg)*(sq.rt. 2)
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In a 30-60-90 triangle, the length of the longer leg is... | (length of shorter leg)*(sq.rt.3)
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In a 30-60-90 triangle, the length of the hypotenuse is... | (length of shorter leg)*2
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
mburke79
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