PERIMETER & AREA. The distance around any closed figure.

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Presentation transcript:

PERIMETER & AREA

The distance around any closed figure

Any polygon- P = s + s + s...

P = s + s + s... 8 in 15 in P = P= 70 in 8 in 15 in 3 in

Rectangle P = 2l 2l + 2w

P = 2l 2l + 8 cm 5 cm P = P = P = 26 cm P =

P = 4s 7 cm P = 4 7 P = 28 cm

The number of square units needed to cover a surface.

Rectangle A = lwlw

A = lwlw 8 cm 5 cm A = 8 5 A = 40 cm ²

Square A = s²s² A = s s

A = s²s² 7 cm A = 7 7 A = 49 cm ² A = 7²7²