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

PolygonPicturePerimeterArea Square s

PolygonPicturePerimeterArea Rectangle

PolygonPicturePerimeterArea Triangle b ac h b ac h

PolygonPicturePerimeterArea Circle d Diameter = 2  radius

1. Find the perimeter of the shaded figure. Show work for each problem. Don’t forget units! Work: _______________ Perimeter: _____________ P = 4(8) 32in

1. Find the perimeter of the shaded figure. Show work for each problem. Don’t forget units! Work: _______________ Perimeter: _____________ ft

2. Find the area of the shaded figure. Show work for each problem, including formulas. Don’t forget units! Formula: _____________ Area: __________________ A = s 2 A = (8) 2 64in 2

2. Find the area of the shaded figure. Show work for each problem, including formulas. Don’t forget units! Formula: _____________ Area: __________________ A = bh A = (14)(7) 98ft 2

3. Find the perimeter of the shaded figure. Show work for each problem. Don’t forget units! Work: _______________ Perimeter: _____________ in

3. Find the perimeter of the shaded figure. Show work for each problem. Don’t forget units! Work: _______________ Perimeter: _____________ cm

4. Find the area of the shaded figure. Show work for each problem, including formulas. Don’t forget units! Formula: _____________ Area: __________________ 240in 2

4. Find the area of the shaded figure. Show work for each problem, including formulas. Don’t forget units! Formula: _____________ Area: __________________ 360cm 2

5. Find the circumference of the shaded figure. Show work for each problem, including formulas. Leave answers in terms of . Don’t forget units! Formula: _____________ Area: __________________ C = 2  r C = 2  (3) 6  ft

5. Find the circumference of the shaded figure. Show work for each problem, including formulas. Leave answers in terms of . Don’t forget units! Formula: _____________ Area: __________________ C =  d C =  (16) 16  m

6. Find the area of the shaded figure. Show work for each problem, including formulas. Leave answers in terms of . Don’t forget units! Formula: _____________ Area: __________________ A =  r 2 A =  (3) 2 9  ft 2

6. Find the area of the shaded figure. Show work for each problem, including formulas. Leave answers in terms of . Don’t forget units! Formula: _____________ Area: __________________ A =  r 2 A =  (8) 2 64  m 2 88