Area
Terms
Angle
100
How do you find the area of a triangle?
A= 1/2 b x h or A =(b x h)/2
100
What is the distance around a circle?
Circumference
100
What is a right angle?
90 degrees
200
How do you find the area of a square/rectangle?
A = L x W
200
What is a diameter?
distance across the circle or 2r
200
What is a circle's angle?
360 degrees
300
How do you find the area of a circle
300
What is the distance around a square, rectangle, parallelogram, and trapezoid?
Perimeter
300
Straight Angle
180 degrees
400
How do you find the area of a semi-circle?
1/2 (π r2)
400
What is π (pie)?
3.14
400
Complementary Angles
the sum is 90 degrees
500
How do you find the area of a trapezoid?
A = 1/2h (b1 + b2)
500
What is a radius?
distance from center of a circle, or 1/2 the diameter
500
Supplementary angles
the sum is 180 degrees