Area, Perimeter and Area of a Right Triangle

Which formula would you use to solve for the area of the triangle above?

Find the perimeter of the triangle above.

• 12

• 6

• 20

• 10

Find the area of the triangle

• 31.5 units²

• 63 units²

• 77 units²

• 38.5 units²

Which equation would you use to solve the area of the triangle?

• (17 x 15)

What does area mean?

• the distance around a shape

• half the distance around a shape

• the amount of space outside a shape

• the amount of space inside a shape

• 17 units²
• 20 units²
• 10 units²
• 16 units²

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

work out the area of this shape

Do you add, subtract, multiply or divide the sides to find perimeter

• divide

• multiply

• add

• subtract

work out the perimeter of this shape

• 29cm

• 23cm

• 35cm

• 34cm