Bell Ringer. 1-7 Perimeter, Circumference, and Area T E R AREA P I M E T E R P E R I M E T E R PERIMETERPERIMETER PERIMETERPERIMETER CIRCUMFERENCE.

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Presentation transcript:

Bell Ringer

1-7 Perimeter, Circumference, and Area T E R AREA P I M E T E R P E R I M E T E R PERIMETERPERIMETER PERIMETERPERIMETER CIRCUMFERENCE

s s s s s

b b hh Rectangle with base b and height h Perimeter P = 2b + 2h Area A = b ● h

d r Circle with radius r and diameter d

Examples! 1. Your pool is 15 ft wide and 20 ft long with a 3 ft wide deck surrounding it. You want to put a fence around the deck. How much fence will you need?

2. Find the circumference 12 in.

3. Find the perimeter of A ABC AB C

4. You are designing a rectangular banner for the front of the school. The banner will be 4 ft wide and 7 yards high. How much material do you need?

10 in

6. Find the area 6 cm 2 cm

CHALLENGE!! Find the area!

Practice! Pg , 8-11, 16-17, 20-25, and 27-32