I need help with this Geometry exam before tomorrow!!
Referring to the figure, complete the proportion (what is
the numerator showing as a question mark):
x ?
— = ——
8 16
2Answer: Solve for x in problem #1.
3Answer: Referring to the figure, complete the proportion (what is
the denominator showing as a question mark):
4 x
— = —
x ?
4Answer: Solve for x in problem #3.
5Answer: Referring to the figure, complete the proportion (what is
the numerator showing as a question mark):
? x
— = —
x 3
6Answer: Solve for x in problem #5.
7Answer: Referring to the figure, on the right triangle shown, find the
unknown side length. (If necessary, round to the nearest tenth.)
8Answer: Referring to the figure, on the right triangle shown, find the
unknown side length. (If necessary, round to the neartest tenth.)
9Answer: Referring to the figure, on the right triangle shown, find the
unknown side length. (If necessary, round to the neartest tenth.)
10Answer: Classify the triangle formed by the given side lengths:
6, 8, 10
a. right triangle
b. acute triangle
c. obtuse triangle
d. not a triangle
11Answer: Classify the triangle formed by the given side lengths:
3, 4, 6
a. right triangle
b. acute triangle
c. obtuse triangle
d. not a triangle
12Answer: Classify the triangle formed by the given side lengths:
6, 2, 5
a. right triangle
b. acute triangle
c. obtuse triangle
d. not a triangle
13Answer: Classify the triangle formed by the given side lengths:
5.4, 3.8, 6.5
a. right triangle
b. acute triangle
c. obtuse triangle
d. not a triangle
14Answer: Classify the triangle formed by the given side lengths:
1, 2, 3
a. right triangle
b. acute triangle
c. obtuse triangle
d. not a triangle
15Answer: Classify the triangle formed by the given side lengths:
1.6, 3.0, 3.4
a. right triangle
b. acute triangle
c. obtuse triangle
d. not a triangle
16Answer: Referring to the figure, find the value of x.
(Hint: Use the Theorems about special right triangles and write
the answer in simplest radical form.)
17Answer: Referring to the Fig. in Question #16, find the value of y.
(Hint: Use the Theorems about special right triangles and write
the answer in simplest radical form.)
18Answer: Referring to the figure, find the value of a.
(Hint: Use the Theorems about special right triangles and write
the answer in simplest radical form.)
19Answer: Referring to the Fig. in Question #18, find the value of b.
(Hint: Use the Theorems about special right triangles and write
the answer in simplest radical form.)
20Answer: Referring to the figure, find the value of m.
(Hint: Use the Theorems about special right triangles and write
the answer in simplest radical form.)
21Answer: Referring to the Fig. in Question #20, find the value of n.
(Hint: Use the Theorems about special right triangles and write
the answer in simplest radical form.)
22Answer: Referring to the figure, find the sine of angle A.
Express the value as a decimal rounded to four places.
23Answer: Referring to the Fig. in Question #22, find the cosine of angle A.
Express the value as a decimal rounded to four places.
24Answer: Referring to the Fig. in Question #22, find the tangent of angle A.
Express the value as a decimal rounded to four places.
25Answer: Referring to the figure, find the sine of angle A.
Express the value as a decimal rounded to four places.
26Answer: Referring to the Fig. in Question #25, find the cosine of angle A.
Express the value as a decimal rounded to four places.
27Answer: Referring to the Fig. in Question #25, find the tangent of angle A.
Express the value as a decimal rounded to four places.
28Answer: Referring to the figure, find the sine of angle A.
Express the value as a decimal rounded to four places.
29Answer: Referring to the Fig. in Question #28, find the cosine of angle A.
Express the value as a decimal rounded to four places.
30Answer: Referring to the Fig. in Question #28, find the tangent of angle A.
Express the value as a decimal rounded to four places.
31Answer: Referring to the figure, use trigonometric ratios to find the
value of x. Round decimals to the nearest tenth.
32Answer: Referring to the figure, use trigonometric ratios to find the
value of x. Round decimals to the nearest tenth.
33Answer: The distance of the base of a ladder from the wall it leans against
should be at least 1/4 of the ladder's total length. Suppose a 10 foot
ladder is placed according to these guidelines. Give the minimum
distance of the base of the ladder from the wall.
34Answer: Referring to the ladder in problem 33, how far up the wall will the
ladder reach?