Find the Area of the Triangle

What formula would you use to find the area?

• A = bh

• A = 1/2 bh

• A = 1/2 h (b₁+b₂)

• A = lw

• 19.8 km²
• 37.8 km²
• 18.9 km²
• 35 km²

Find the area of a triangle with a height of 4 mm and a base of 6 mm?

• 5 mm squared

• 6 mm squared

• 12 mm squared

• 24 mm squared

Find the area of a triangle with a base of 7 mm and a height of 10 mm?

• 70 mm squared

• 35 mm squared

• 17 mm squared

• 8.5 mm squared

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 10 cm and a height of 6 cm. What is its area?

• 60 cm²

• 30 cm²

• 20 cm²

• 15 cm²

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

How do you find the area of a triangle?

• multiply base times height

• multiply base times height then divide by two

• find the distance around the triangle

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