Area and perimeter of triangle

Question 1

How is the area of a Rectangle and Triangle related

Answer 1

The area of a triangle is half the area of a rectangle

Question 2

How do find the perimeter of a triangle?

Answer 2

We add the 3 sides of the triangle

7 cm + 24 cm + 25 cm = 56 cm

Question 3

If we take 12 cm as the height of the triangle, what is the lenth of the base?

Answer 3

It is 26 cm

Any part that is dotted is not part of the side of the triangle

It is drawn to connect the height to the base

Question 4

How do we find the area of the triangle

Answer 4

We multiply the base and the height

then divide by 2 or multiply by half

(12 cm * 26 cm)/2 = 156 cm²

0.5 * 12 * 26 = 156 cm²

Question 5

What is the area of the triangle

Answer 5

0.5 * 11 cm * 5 cm = 27.5 cm²

Question 6

What is the area of the triangle

Answer 6

0.5 * 6 cm * 8 cm = 24 cm²

Question 7

What is the perimeter of the triangle?

Answer 7

6 cm + 8 cm + 10 cm = 24 cm

Question 8

What is the area of the triangle

Answer 8

0.5 * 6 cm * 16 cm = 48 cm²

Question 9

What is the area of the triangle

Answer 9

0.5 * 3 cm * 10 cm = 15 cm²

Question 10

What is the area of the triangle?

Answer 10

0.5 * 24 cm * 4 cm = 48 cm²

Question 11

What is the perimeter of the triangle

Answer 11

14 cm + 10 cm + 24 cm = 48 cm