How to Find the Area of a Triangle

How do you find the area of a triangle?

• base x height

• base x height ÷ 2

• add up all of the sides

To find the area of a triangle, you need to know the _________ and ________.

• sides and sides

• base and height

• bottom and top

• length and width

Find the area of a triangle with:
b: 14 cm
h: 23 cm

• 161 cm²

• 161 cm³

• 322 cm²

• 322 cm³

Find the area of the triangle

• 12 in²

• 12 in²

• 24 in²

• 6 in²

Find the area of a triangle with a base of 14 inches and a height of 3 inches.

• 21 square inches

• 42 square inches

• 10.5 square inches

• 7 square inches

A triangle has a base of 12 cm and a height of 9 cm. Calculate its area.

• 54 cm²

• 108 cm²

• 36 cm²

• 72 cm²

Find the area of the triangles.

Remember:

- Base and height must form a right angle

- Always divide by 2 on triangles

a

b

c

d

e

f

h

g

Find the area of the triangles. Remember:- Base and height must form a right angle- Always divide by 2 on triangles

a

b

c

d

e

f

h

g

Calculate the area of a triangle with sides measuring 6 cm, 8 cm, and 10 cm.

• 24 cm²

• 48 cm²

• 12 cm²

• 36 cm²

My formula for finding the area of a triangle is

• Base times Height

• Base times Height divided by 2

• Base times Height times Width