1.7 - Find Perimeter, Circumference, and Area. Perimeter: Length around a shape. Measured in u cm, in, ft, yd.

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Presentation transcript:

1.7 - Find Perimeter, Circumference, and Area

Perimeter: Length around a shape. Measured in u cm, in, ft, yd

Area: Square units inside a shape. Measured in u 2 cm 2, in 2, ft 2, yd 2 1u1u 1u21u2 1u1u 1u1u 1u21u2 1u1u 1u1u 1u21u2 1u1u 1u1u 1u21u2 1u1u 1u1u 1u21u2 1u1u 1u1u 1u21u2 1u1u

Square: s

Rectangle:

Triangle: b ac h b a c h

Circle: d Diameter = 2  radius

1. Find the perimeter and area of the shaded figure. Perimeter: _____________ Area: __________________ P = 4s P = 4(8) P = 32in A = s 2 A = 8 2 A = 64in 2

1. Find the perimeter and area of the shaded figure. Perimeter: _____________ Area: __________________

1. Find the perimeter and area of the shaded figure. Perimeter: _____________ Area: __________________

1. Find the perimeter and area of the shaded figure. Perimeter: _____________ Area: __________________

1. Find the perimeter and area of the shaded figure. Perimeter: _____________ Area: __________________

2. Find the perimeter and area of the shaded figure. Perimeter: _____________ Area: __________________

2. Find the perimeter and area of the shaded figure. Perimeter: _____________ Area: __________________

2. Find the perimeter and area of the shaded figure. Perimeter: _____________ Area: __________________ P = P = 72u A = bh – 2  r 2 A = (24)(12) – 2  (6) 2 A = 288 – 2  (36) A = (288 – 72  )u 2 P = 72u A = (288 – 72  )u 2

4. Use the information about the figure to find the indicated measure. Perimeter = 84ft Find the length.

Area = 432m 2 Find the width. 4. Use the information about the figure to find the indicated measure.

Area = 189cm 2 Find the height. 4. Use the information about the figure to find the indicated measure.

HW Problem # odd, 27-29, 34-37, 41 **Bring ALL supplies tomorrow for review A = s = s 2