1.
Estimate the area of the triangular piece of land using Heron's formula.
A.
10 square miles
B.
12 square miles
C.
11 square miles
D.
9 square miles
Hint
2.
The distance you can see to the horizon can be estimated by using the formula
. In the formula,
d
represents the distance you can see in miles, and
h
represents the height your eyes are from the ground in feet. Suppose when you are standing on the ground your eyes are about 4.1 feet above ground level. About how far can you see to the horizon?
A.
9.76 miles
B.
1.22 miles
C.
4.88 miles
D.
2.47 miles
Hint
3.
Estimate
to the nearest whole number.
A.
4
B.
5
C.
7
D.
6
Hint
4.
Suppose you are in a building and your eyes are 1,000 feet above the ground. The distance you can see to the horizon is
where
h
represents the height your eyes are from the ground in feet and
d
is the distance in miles. About how far can you see to the horizon if you estimate
to the nearest whole number?
A.
about 38 miles
B.
about 36 miles
C.
about 37 miles
D.
about 39 miles
Hint
5.
Estimate the length of a side of a square whose area is 262 in
2
.
A.
15 in.
B.
17 in.
C.
16 in.
D.
18 in.
Hint