Unit 8 - Solids

Formulas

100

Perimeter?

Add all the sides

P = S + S + S + ...

200

Area of a Parallelogram?

just like a rectangle 

l x w

bh

300

Area of a Triangle?

A = 1/2bh

400

Area of a Trapezoid?

A = 1/2 (b₁ + b₂)h

500

Area and Circumference of a circle?

A = pi(r)²

C = 2(pi)r    or (pi)d

Classifying and Slicing Solids

100

#20

Square Pyramid

200

#22

Trapezoid

300

#19

Triangular Prism

400

#23 & #24

Triangle

Circle

500

#21

Hexagonal Prism

Applications

100

Volume or Surface Area?

How much ice cream does a cone hold?

Volume

200

#11

19m

300

#12

75ft

400

#13

$97,877.50

500

#14. 

Find the circumference of a circle with an area of 615.75 square inches.

88in

Circular

100

#4

C = 37.7 cm

A = 113.1cm²

200

#5

C = 78.5yd

A = 490.9yd²

300

#6

P = 90.1 ft

A = 460.2 ft²

400

#8

P = 53.2 in

A = 173.5 in²

500

#10

201 cm²

Non-Circular

100

#1

P = 65.4 in

A = 182 in²

200

#2

P = 25 ft

A = 23.65 ft²

300

#3

P = 29.9 m

A = 46.4 m²

400

#7

P = 79m

A = 333.85 m²

500

#9

279.9 yd²