Areas and perimeters
Types of exercises: side of a figure from its perimeter, sides of an isosceles triangle from its perimeter, sides of an isosceles triangle - all cases.
Exercises are drawn at random from a large bank - every click gives a different set.
Solved: 0 of 10
Problem
An isosceles triangle has a perimeter of 20 cm, and one of its sides is 6 cm long. How long can each of its two equal sides be?
Problem
The perimeter of a parallelogram is 48 cm and one of its sides is 12 cm. How many centimetres is the neighbouring side?
Problem
The perimeter of an isosceles triangle is 27 cm and its base is 5 cm. How many centimetres is each of the equal sides?
Problem
An isosceles triangle has a perimeter of 49 cm, and one of its sides is 19 cm long. How long can its base be?
Problem
The perimeter of a square is 112 cm. How many centimetres is its side?
Problem
The perimeter of an isosceles triangle is 57 cm and one of its equal sides is 17 cm. How many centimetres is the base?
Problem
An isosceles triangle has a perimeter of 56 cm, and one of its sides is 2 cm long. How long can its base be?
Problem
The perimeter of an equilateral triangle is 63 cm. How many centimetres is its side?
Problem
The perimeter of an isosceles triangle is 41 cm and one of its equal sides is 12 cm. How many centimetres is the base?
Problem
An isosceles triangle has a perimeter of 10 cm, and one of its sides is 4 cm long. How long can each of its two equal sides be?
This address is one particular set - everyone who opens it gets exactly the same exercises. Copy the link from the address bar and send it to the class. You can generate a new set at the top of the page.
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These exercises are part of it. On the board itself you can plot a function, write a formula in LaTeX, or solve a problem together with a teacher or a friend - live, in the browser. Our app is completely free.