How do you find the perimeter of a shape?
Add up all of the sides.
What formula do we use to find the area of a parallelogram?
A = b x h
What formula do we use to find the volume?
V = B x h
B = Area of the base of the 3-d shape
How do we find the surface area of a given 3-D shape?
Find the area of the three faces we can see, add up the three areas, multiply by two to find the other three faces we can not see.
What formula do we use for the Pythagorean theorem?
a2+b2=c2
What formula do we use to find the circumference of a circle?
C = 2πr
or
C = 2 (3.14) r
What is the area of the given parallelogram?
b = 27 yds
h = 12 yds
27 x 12 = 324 yds2
What is the volume of this rectangular prism?
B = bxh
B =9x5 = 45 in2
V = 45 x 3 = 135 in3
What is the surface area of the given rectangular prism?
10 x 3 = 30
10 x 4 = 40
3 x 4 = 12
30 + 40 + 12 = 82 x 2 = 164 in2
What is c2 called?
*Hint: It starts with the letter h
The hypotenuse
What is the perimeter of this rectangle?
5+5 +10 + 10 = 30 cm
What is the area of the given triangle?
A = 1/2 bh
0.5 x 6 x 8 = 24 in2
What is the volume of the rectangular prism below?
V = B x h
B = 7 1/2 in x 4 in = 30 in2
V = 30 in2 x 2 1/2 in = 75 in2
What is the surface area for the given rectangular prism?
5 1/2 x 3 = 16.5
5 1/2 x 6 = 33
6 x 3 = 18
16.5 + 33 + 18 = 67.5 x 2 = 135
What is the length of the hypotenuse?
52+122= c2
25 + 144 = c2
169 = c2
13 = c
What is the circumference of the given circle?
2 x 3.14 x 8 = 50.24 m
What is the area of the given trapezoid?
A = 1/2 (b1 + b2)h
b1= 10
b2= 24
10 + 24 = 34
0.5x34x7 = 119
What is the volume of the given cylinder?
V = Bh
B = area of base = 3.14r2
B = 3.14 x 4 x 4 = 50.24 in2
V = 50.24 in2 x 10 in = 502.4 in3
What is the surface area for the given triangular prism?
13 x 10 = 130
12 x 10 = 120
10 x 5 = 50
0.5 x 5 x 12 = 30
0.5 x 5 x 12 = 30
130 + 120 + 50 + 30 + 30 = 360 cm2
You are given a right triangle with the side lengths listed below. What is c?
a = 5.3 inches
b = 6.7 inches
5.32+6.72 = c2
28.09 + 44.89 = c2
72.98 = c2
8.54 = c
What is the circumference of the given circle?
18/2 = 9 in
2 x 3.14 x 9 = 56.52 in
What is the area of the given trapezoid?
A = 1/2 (b1+b2)h
5 + 8 = 13
0.5 x 13 x 4 = 26 m2
What is the volume of the given triangular prism?
V = Bh
B = 1/2 x b x h
B = 0.5 x 8 x 3 = 12 cm2
V = 12 x 12 = 144 cm3
What is the surface area of the given square pyramid?
6 x 6 = 36 = base
1/2 x 6 x 12 = 36 x 4 faces = 144
SA = 36 + 144 = 188 cm2
What is the length of side t?
122+t2=132
144 + t2 = 169
169 - 144 = 25
25 = t2
5 = t