Select all the triangles below that have an area of 30 square units. Show your work.
All the triangles that have an area of 30 square units are...
I solved this by...
Select all the parallelograms below that have an area of 16 square units. Show your work.
The parallelograms below that have an area of 16 square units are...
I solved this by...
The Distance across the center of a circle
The Perimeter of a circle is called the...
For each picture, which measurement is shown?
Radius
Diameter
Circumference
A circle has radius 50 cm. Which of these is closest to its area?
Decide whether circumference or area would be needed to calculate the following.
The distance around a circular track.
Decide whether circumference or area would be needed to calculate the following.
The total number of equally-sized tiles on a circular floor.
Decide whether circumference or area would be needed to calculate the following.
The amount of oil it takes to cover the bottom of a frying pan.
Decide whether circumference or area would be needed to calculate the following.
The distance your car will go with one turn of the wheels.
The shape is composed of three squares and two semicircles. Selectallthe expressions that correctly calculatethe perimeter of the shape.
This figure is made from a part of a square and a part of a circle.
The perimeter of this figure is
The area of this figure is
A groundskeeper needs grass seed to cover a circular field, 290 feet in diameter. A store sells 50-pound bags of grass seed. One pound of grass seed covers about 400 square feet of field. What is the smallest number of bags the groundskeeper must buy to cover the circular field? Explain or show your reasoning.
