Rearranging formulas
Types of exercises: rearranging geometry formulas, rearranging physics formulas.
Exercises are drawn at random from a large bank - every click gives a different set.
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Choose the correct formula
Rearrange the formula for the area of a rhombus, P = e · f/2, to make f the subject.
Problem
A car covered 135 km at an average speed of 90 km/h. How many hours did the journey take?
Choose the correct formula
Rearrange the formula for the area of a triangle, P = a · h/2, to make a the subject.
Problem
A cyclist travelled for 3 hours and covered 54 km. What was the average speed in km/h?
Choose the correct formula
Rearrange the formula for the volume of a cuboid, V = a · b · H, to make a the subject.
Choose the correct formula
Rearrange the formula for distance in uniform motion, s = v · t, to make v the subject.
Problem
An isosceles triangle has a perimeter of 46 cm and a base of 16 cm. How long is each of the equal sides?
Choose the correct formula
Rearrange the formula for work, W = F · s, to make s the subject.
Problem
A rectangle has a perimeter of 98 cm and one side of 20 cm. How long is the other side?
Problem
A hiker walked for 1.5 hours and covered 6 km. What was the average speed in km/h?
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