Triangles
Circles
Quadrilaterals
Other Shapes
Geometry Challenge
100
What is the area formula of a triangle?
Area = 1/2 base x height
100
What is the area formula of a circle?
pi x radius^2
100
What is the area formula for a rectangle?
Area = base x height
100
How do you find the perimeter of any shape?
Add up the lengths of all of the sides
100
What is the formula for the law of sines?
Law of Sines: SinA/a = SinB/b = SinC/c
200
Find the area of the triangle that has a base of 6cm and a height of 10cm
Area = 30cm^2
200
What is the name for the perimeter of a circle and what is the formula?
Circumference 2 x pi x radius
200
What is the perimeter of a square with side length 13in?
Perimeter = 52in
200
Find the area of this blue rectangle with triangles on each side.
90in^2
200
What is the equation for the law of cosines? (solve for c^2)
Law of Cosines: c^2 = a^2+b^2 - 2abCosC
300
Find the height of a triangle with base 8m and area 72m^2
height = 18m
300
Find the area of a circle with radius 5in.
Area = 25pi in^2
300
What is the area formula for a trapezoid?
Area = 1/2(base1+base2) x height
300
Find the perimeter of this red shape.
Perimeter= 80cm
300
Find the perimeter of this green triangle. (round to 2 decimal places)
Perimeter = 21.05in
400
What is the perimeter of a right triangle with a hypotenuse length of 9cm and a side length of 8cm? (round to 3 decimal places)
Perimeter = 21.123cm
400
Find the *perimeter* of a circle with diameter 12mm
*Perimeter* = 12pi mm
400
Find the area of a trapezoid with height 48in, base1 36in, and base2 24in.
Area = 1440in^2
400
Find the area of this yellow shape. (round to the nearest 2 decimal places)
Area = 521.08ft^2
400
Find the area of this green triangle. (round to 2 decimal places)
Area = 103.38cm^2
500
Find the area of a right triangle with a height of 7in and a hypotenuse length of 11in. (round to 3 decimal places)
Area = 29.698in^2
500
Find the diameter of a circle with area 121pi ft^2
Diameter = 22ft
500
Find the perimeter of a parallelogram with area 60cm^2 height 6cm, and side length 5cm.
Perimeter = 30cm
500
Find the area of this green shape.
Area = 65m^2
500
Find the perimeter of the shape I will draw on the board. (round to the nearest whole number)
Perimeter = 100m
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