Rectangles
What is the formula to find the area of a rectangle?
A= l x w
What is the formula to find the area of a triangle?
Area= 1/2(bxh)
What is the formula to find the area of a square?
A = w x l
What is the formula to find the area of a triangle?
Area= 1/2 b x h
A square has sides of 5 feet, what is its perimeter?
What is 20 feet?
A rectangle has a length of 10 inches and a width of 8 inches, what is its area?
80 square inches
What is the area of a triangle that has a base of 5 inches and a height of 6 inches?
15 in2
A square has sides of 9 inches. What is its area?
What is 81 square inches?
A triangle has a base of 4 cm and and a height of 10 cm. What is its area?
What is 20 square cm.
How many inches of matting is needed to frame an 8.5 inch by 11 inch print?
39 inches
A rectangle has an area of 72 square feet. If the width is 9 feet what is the length?
What is 8 Feet?
Courtney wants to carpet part of her bedroom that is shaped like a right triangle with base 4 meters and height 5.2 meters. How much carpet will she need?
10.4 m2
A square has sides of 5 feet. What is its area?
What is 25 feet?
Find the area of a triangle with a base of 12 inches and a height of 8 inches.
What is 48 square inches?
Amy is making pillows to decorate her bed. She is going to make three square pillows that are each 2 feet by 2 feet. She wants to use the same trim around each pillow. How many feet of trim will she need for all three pillows?
P = 4x2 = 8
3 pillows would be 3x8 and that would equal 24
Find the area of a rectangle with side measurements of 7 and 18 cm.
126 cm2
A triangle has a base length of 3.5 m and a height of 2.2 m. What is the area?
3.85 m2
If a square has sides that are 25 inches, what is its perimeter?
What is 100 inches?
You get 400 points.
Hooray!
The state of Colorado is nearly rectangular. It is about 589 kilometers by 456 kilometers. What is the perimeter of Colorado?
2,090 kilometers
A rectangle has an area of 84 square meters. If the length is 12 meters, what is the width?
7 meters
Find the area of a isosceles triangle with a base of 12 cm and height of 16 cm.
96 cm2
You get 500 points
Hooray!
The area of a triangle is 30 square inches. If the height is 12 inches what is the base?
What is 5 inches?
Ted is making a stop sign poster for a talk on safety to a first grade class. He will put a strip of white paper around the perimeter of the stop sign. Each of the stop sign’s sides is 16.34 cm. How long a strip of paper will he need?
130.72 cm of paper