Question 300735: I have a geometry study guide that I honestly do not understand at all. I need answers with an explanation? :( please..here is the information
These are the shapes that go with the problems:
http://i43.tinypic.com/10wr02b.png
Here are the possible answers (not all of them will be used):
A. 476
B. 6
C. 7
D. 6.5
E. 2 / 3
F. 176
G. 12
H. 96
I. 48
J. 2 sqrt(3)
K. 16 sqrt(2)
L. 30
M. 30sqrt(6)
N. 3
O. 3, 8
P. 8
Q. 10 pi
R. 17.5
S. 4, 6
T. 69
U. pi
V. 108
W. 32
X. 3 sqrt(2)
Y. 16
Z. 14 pi
Here are the questions...
Question 1
1: Find the area of a rectangle with length 5 sqrt(2) and width 3 sqrt(2).
_____ square units
Question 2
2: A walk 2 meters wide surrounds a rectangular grass plot 30 m long and 10 m wide. Find the area of the walk.
_____ square meters
Question 3
3: Find the area of the polygon in Figure 1.
_____ square units
Question 4
4: A square has diagonals of length 8 cm. Find the area.
_____ square cm
Question 5
5: Find the lengths of the sides of a rectangle of area 24 square units and perimeter 22.
Question 6
6: Find the height of a triangle with base length 4 and area 12 square units.
Question 7
7: Find the area of a triangle with base length 3 sqrt(2) and height 2 sqrt(2).
_____ square units
Question 8
8: Find the area of the triangle in Figure 2, if a = 8 and b = 4.
_____ square units
Question 9
9: Find the area of the triangle in Figure 2, if a = 5 and c = 13.
_____ square units
Question 10
10: Find the area of the triangle in Figure 3.
_____ square units
Question 11
11: A parallelogram of area 78 square units has one side of length 12. Find the length of an altitude to that side.
Question 12
12: Find the area of the parallelogram ABCD in Figure 4, if m Ang A = 30 deg, AB = 12, and AD = 8.
_____ square units
Question 13
13: Find the area of the parallelogram ABCD in Figure 4, if m Ang A = 45 deg, AB = 10 sqrt(3), and AD = 6.
_____ square units
Question 14
14: Find the area of the parallelogram ABCD in Figure 4, if DC = 12 and the height = 9.
_____ square units
Question 15
15: Find the area of the trapezoid with base lengths 12 and 4 and height 6.
_____ square units
Question 16
16: Find the height of a trapezoid with area 40 square units and base lengths 7 and 3.
Question 17
17: A trapezoid of area 150 square units has one base of length 18 and height 12. Find the length of the other base.
Question 18
18: Find the area of the trapezoid in Figure 5 if m Ang A = m Ang D = 45 deg, AB = 4 sqrt(2), and BC = 4.
_____ square units
Question 19
19: Find the circumference of a circle with a diameter of 10.
Question 20
20: Find the radius of a circle with circumference 4 sqrt(3)(pi).
Question 21
21: Find the radius of a circle with area (4/9) (pi).
Question 22
22: What is the circumference of a circle with area 49(pi)?
Please and thank you SO much! :(
Answer by Fombitz(32388)   (Show Source):
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