Perimeter
What is perimeter? How do you find the perimeter of a shape?
Distance around a shape.
Add all sides together.
What is circumference?
Distance around a circle.
What is area? How is it always measured/labeled?
The amount of space inside a figure.
Units squared (x2)
What is area? What is the equation for area of a circle?
Amount of space inside a shape.
A= 3.14 x r2
What is the perimeter of a square box whose length is 5 feet?
20 feet
Define radius. Define diameter.
Half way across the circle.
All the way across the circle.
What is the equation for area of a square/rectangle?
What is the equation for area of a triangle?
A = L x W ; l= length w= width
A= bh/2; b= base, h= height
What is the area of a circle with a radius of 2 cm?
12.56cm2
What is the perimeter of a rectangular picture frame whose length is 12 cm and width is 6 cm?
36 cm
What are the two equations for circumference?
C= 3.14 x d
C= 3.14 x 2 x r
What is the area of a square with a length of 5 feet?
25 ft2
What is the area of a circle with a radius of 4 in?
50.24in2
What is the perimeter of a right triangle whose base is 10 in, height is 4 in, and diagonal is 13 in?
27 in
What is the circumference of a circle with a radius of 9 yards?
56.52 yards
What is the area of a rectangle with a length of 15 in and a width of 10 in?
150 in2
What is the area of a swimming pool with a diameter of 10 m?
78.5m2
What is the perimeter of a hexagon with congruent sides of 8m?
48 m
What is the circumference of a circle with a diameter of 7 mm?
21.98 mm
What is the area of a triangle whose base is 12 m, diagonal is 17 m, and height is 14 m?
84m2
What is the area of round garbage can whose diameter is 16 in wide?
200.96 in2