Formulas for perimeter, area and volume; division with a remainder
Answers are for parents and teachers.
1
A regular decagon has side 7 cm. What is its perimeter in cm?
70
2
A square garden has perimeter 240 m. What is its side in m?
60
3
A rectangular plot is 45 m long and 20 m wide. What is its area in m²?
900
4
A cuboid measures 9 cm, 4 cm and 5 cm. What is its volume in cm³?
180
5
Divide 100 : 7. What is the quotient (whole part)?
14