Area and Perimeter day 2

Find the area of a square with sides 5 in long.

Mathematical Equivalence

ON

Answer explanation

A = s²

A = 5² = 25

When finding the area of a shape the units are written as ​ (a)  

• units

When finding the perimeter of a shape the units are written as ​ (a)  

The distance around a shape is its _____________.

• Area

• Perimeter

What is the area of this triangle?

• 12 sq. cm.

• 12 cm

Find the area of the triangle.

• 36

• 72

• 36 units²

• 72 units²

What is the perimeter of the triangle above?

• 14.5 in

• 13.4 in

• 13.7 in

• 14.5 in

What is the Area formula for this shape?

• A=bh
• A=½bh
• A=r²
• Triangle

Calculate the area.

• 143 ft²

• 71.5 ft²

• 63.25 ft²

• 126.5 ft²

Find the area.