What is perimeter?. In-Class Practice 12 in 7 in 7+12+7+12= 38 in.

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Presentation transcript:

What is perimeter?

In-Class Practice 12 in 7 in = 38 in

a2a In-Class Practice 8 in 4 in x +b 2 =c 2 +x 2 = in = ( ) in

What is area? s A = s 2 Area of a Square: s

Area Addition s Area = s s s s 2 + s 2

Area Addition In-Class Practice 1 in 1 in 2 +1 in 2 = 9 in 2

64 ft 2 Area Addition In-Class Practice (or Subtraction) 8 ft 6 ft = 28 ft 2 -(6 ft) ft 2 (8 ft) 2

Area Addition …and the area of a rectangle h b b (1 unit 2 ) …

Area Addition …and the area of a rectangle b b b b b b … b (1 unit 2 ) h =bh units 2 h b