June 26, 2019

Chapters

## Exercise 1

Determine the area of an isosceles right triangle with the equal sides each measuring 10 cm in length.

## Exercise 2

Calculate the number of trees that can be planted in a rectangular field which is 32 m long and 30 m wide if each tree needs 4 m² to grow.

## Exercise 3

The area of a trapezoid is 120 m², the height is 8 m, and the smaller base measures 10 m. What is the length of the other base?

## Exercise 4

Calculate the area of a parallelogram whose height is 2 cm and its base is 3 times its height.

## Exercise 5

What is the area of the shaded area in the figure if the area of the entire hexagon is 96 cm²?

## Exercise 6

Calculate the area of a rhombus whose larger diagonal measures 10 cm and whose minor diagonal is half the length of the other.

## Exercise 7

Calculate the number of square tiles needed to cover a rectangular surface of 4 m by 3 m if the length of each side of the tiles is 10 cm.

## Exercise 8

The perimeter of an equilateral triangle is 0.9 dm and its height is 25.95 cm. Calculate the area of the triangle.

## Exercise 9

A rectangular field has a length of 170 m and a width of 28 m. Calculate:

1The area of the field in hectares.

2The price to re-seed the field if each square meter costs 15.

4,760 · 15 = $71,400