Circles
Formula for the circumference of a circle
C = π d
250 ÷ 10
25
6.96 + 0.4
7.36
The sum of the angles of any triangle equal this.
180 degrees
What is place value of the 2 in this number:
35.412
thousandths
formula for area of a circle
A = π r2
3 x 5.1
15.3
5.904 - 3.755
2.149
formula for area of a triangle
A=1/2 b x h
Solve this proportion:
m/6 = 5/2
15
What is the radius of circle with a diameter of 13 in.?
6.5 in.
17 x 255
4,335
7/8 + 3/4
13/8
Formula for area of rectangle
A = length x width
Write 40% as a reduced fraction.
2/5
What is the circumference of a circle with a diameter of 12 m?
37.68 m
3.1 ÷ 0.5
6.2
4 5/6 - 4 1/2
1/3
Find the area of a rectangle with a width of 19 in. and a width of 14 in.
266 in2
Write 54.8% as a decimal
0.548
What is the area of circle with a diameter of 20 cm?
314 cm2
1 2/3 ÷ 3/4
2 2/9
8 3/8 - 4 1/2
3 7/8
Find the area of a triangle with a base of 15 cm and a height of 12 cm.
90 cm2
Find the selling price of a sweater if the original price was $49.99 and the discount was 15%
$42.49