An angle less than 90 degrees
Acute angle
How many sides does a quadrilateral have?
4 sides
What is the diameter of the circle?
8 cm
45 m
What does the prefix "tri-" mean in triangle?
Three
What type of angle is this?
Obtuse angle
Area formula for a rectangle.
A = b * h
What is the formula for area of a circle?
What is the perimeter of the shape?
54 ft
What is the perimeter of the triangle?
10 cm
Two angles that are opposite of each other.
Vertical angles
What is the perimeter of the rectangle?
104 m
What is the circumference of the circle? Use the pi symbol and round to two decimal places.
21.99 cm
What is the area of the shape?
131 ft2
What is the area formula of a triangle?
A = 1/2 * b * h
Angle Q is complementary to angle R. Find angle Q if angle R is 76 degrees.
14 degrees
What is the area of the rectangle?
640 m2
Find the area of the circle. Use the pi symbol and round to two decimal places.
63.62 in2
What is the area of this shape?
132 cm2
What is the area of the triangle?
21 in2
Angles A and B are supplementary. Angle A is 74 degrees. Find the measure of angle B.
106 degrees
What is the area of the trapezoid?
109.18 m2
A circle has a radius of 2.5 feet. Find the area and the circumference of the circle. Use the pi symbol and round to two decimal places.
Area = 19.63 ft2
Circumference = 15.71 ft
What is the area of the shape? Use the pi symbol and round to two decimal places.
10,771.68 m2
What is the area of the triangle?
100 ft2