Perimeter
What is the perimeter of a rectangle that is 3ft wide and 7 ft long?
20 feet
36cm2
What is a circle named by?
Its center point
What is the circumference of a circle with a radius of 9cm?
56.52 cm
What is the formula to find area of a quadrilateral?
Length x width
You are asked to draw a triangle that has the sides with lengths 5cm, 10cm, and 4cm. What is its perimeter?
19 cm
What is the most important thing to do with your answer for area?
square it!
Example: 12 square inches or 12in2
What is the distance or length around a circle called?
circumference
What is the area of a circle with a radius of 6in?
113.04 in2
What is the perimeter of a circle called?
Circumference
You have a square that is 7 inches wide. What is the perimeter of the square?
28 inches
What is the area of a triangle with a base of 12in, two sides that are 6in, and a height of 5in?
30in2
If the diameter is 24, what is one radii?
12
What is the circumference of a pool that is 18 feet in diameter?
56.52 feet
What is the formula for area of a triangle?
1/2b x h
OR
b x h divided by 2
You have a shape that has 6 sides. They are 1/2in, 3in, 5in, 1/2in, 7in, and 4in. What would the perimeter of this figure be?
20 inches
Janet wants to buy a new rug for her living room. The space she wants to cover is 5ft by 7ft. How much of her floor will be covered by the rug?
35 square feet or 35ft2
What is a line that goes from edge to edge in a circle but does not touch the center called?
Jacob is putting a pool in his backyard for his kids this summer. He wants to get a pool that is 18 feet in diameter. How much of the back yard would that take up?
254.34 square feet
What is the formula for circumference of a circle?
2 x 3.14r
or (2)(pi)(r)
Sarah wants to put up a fence around her garden. It is 24.5 feet by 15 feet. How much fencing will she need?
79 feet of fencing
Jeff is laying new flooring in his kitchen. The kitchen is 16 feet by 18 feet. How much new flooring does Jeff need?
288 square feet
or
288ft2
If the radius is 8, what is the diameter?
16
Billy's new bike tire has a diameter of 22 inches. How far is one single rotation of the bike tire?
69.08 inches
What is the formula for area of a circle?
3.14 r2