Question

Identifying calculate the area and perimeter for the fourth triangle

Answer 1

We have to calculate the area and perimeter of this triangle.

This is a right triangle because it has a right angle.

We can calculate the area as half the product of the two legs, sides a and b:

`A=(a\cdot b)/(2)=(7.9\cdot6)/(2)=(47.4)/(2)=23.7`

The perimeter is equal to the sum of the length of the three sides:

`P=a+b+c=7.9+6+9.92=23.82`

Answer:

Area: 23.7 cm²

Perimeter: 23.82 cm

Type: right triangle.