Radius, Diamater and Circumference
If the diameter of a circle is 30 cm, what is it's radius?
15 cm
What is the area of parallelogram with a base of 5 m and a height of 6 m?
30 m2
What is the area of triangle with a base of 4 m and height of 2 m?
A circle has a radius of 6 m. What is its area?
113.10 m2
How many degrees are in a full circle?
360 degrees
What is the circumference of a circle with a radius of 4 mm?
25.13 mm
What is the area of a parallelogram with a base of 5.2 cm, a height of 4.1 cm and a slant height of 9.1 cm?
21.32 cm2
What is the area of triangle with a base of 1.5 km and height of 9.1 km?
6.83 km2
A circle has a diameter of 4.5 in. What is its area?
15.90 in2
If 400 students are surveyed and 30% prefer chocolate ice cream, how many students prefer chocolate ice cream?
120
12.89 km
A parallogram has an area of 80 km2. It has a base of 16 km. What is its height?
5 km.
A triangle has a height of 3 m and an area of 81 m2. What is the length of its base?
54 m
A semi-circle has a radius of 14 mm. What is its area?
307.88 mm2
If 40 % of students prefer the colour green, how many degrees of the circle should your segment be?
144 degrees
If a circle has a circumference of 38 in, what is it's radius?
A rectangular parking lot has a length of 3 km and a height of 6 km. If concrets costs $5/km2, what is the cost to pour concrete on the lot?
$90
A triangle has an area of 70 in2 and a base of 7 in. What is the height of the triangle?
20 in
A quarter circle has a diameter of 10 cm. What is its area?
19.63 cm2
If a school budgets $5000 for textbooks and they spend 15% of their budget on Math textbooks, how much money do they spend on Math textbooks?
$750
What is the perimeter of a semi-circle with a diamter of 6 cm?
15.42 cm
A rectangular wall has a length of 15 ft and a height of 12 ft. If they want to paint it with two coats, what is the cost of paint costs $0.50/ft2 ?
$180
A triangular cake is to be covered with two layers of icing. If it has a base of 10 cm and a height of 6 cm, how much icing is needed?
60 cm2
A circular table needs 2 coats of varnish. If it has a radius of 3 feet, how much varnish is needed to cover the table twice?
56.55 ft2
If 3/60 students prefer Tennis as a sport, how many degrees should you draw your segment?
18 degrees