11+ - 11-Plus Maths - Perimeter And Area (Easy) Solution

Q.1.

If you are provided with a ruler, what would be the best way to find the area of a right angled triangle?

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Measure the lengths of the sides that form the right angle and multiply this by two
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Measure the lengths of the sides that form the right angle, multiply them and divide this by two
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Measure the lengths of the hypotenuse and multiply this by two
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Measure the length of one of the sides that forms the right angle, and the length of the hypotenuse. Multiply these together and then divide by two

Q.2.

If you are provided with a ruler, what would be the best way to find the area of a rectangle?

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Measure the length and width and multiply each of them by two. Finally, add these results together
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Measure the lengths of the length and the width and add them together
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Measure the lengths of the length and the width and multiply them together
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Measure the length of one side and multiply it with itself

Q.3.

How many square millimetres are there in 1 cm ?

Q.4.

How many square centimetres are there in 1 m ?

Q.5.

A right angled triangle has an area of 45 cm . What is the area of the rectangle formed by using two such triangles?

Q.6.

What is the perimeter of a rectangle of width 10 cm and length 14 cm?

Q.7.

A square has a side length of 6 cm. If the square is cut along one of its diagonals, what will be the area of one of the resulting triangles?

Q.8.

What is the perimeter of a circle called?

Q.9.

If you are provided with a ruler, what would be the best way to find the area of a square?