This is the review for the Unit 7 Test on Wednesday, May 25th.
Complete the entire document for full credit.
This is the review for the Unit 7 Test on Wednesday, May 25th.
Complete the entire document for full credit.
Use △ABC and its image △A'B'C' after a dilation to answer the following questions.
What is the ratio of the perimeters of ABC to A'B'C' ?
Graph and label each figure and its image under a dilation with the given
scale factor. Assume all dilations use the origin as the center of dilation.
W':
X':
Y':
Write the ratio in simplest form:
The hockey team played 82 regular-season games last year. If they won 44 games, what is the ratio of wins to losses?
Solve this proportion for x.
List all congruent angles if △XYZ~△RYS
∠
∠
∠
Find the length of each segment.
AC=
KB=
AB=
Find the length of each segment.
RS=
RT=
TV=
USE THE SIMILARITY RELATIONSHIP TO FIND THE INDICATED VALUE:
If △AGM ~ △KXD; find x
Use the triangle proportionality to solve for x.
Use the triangle proportionality to solve for x.
△ABC~△XYZ, so find the missing height h
State if the triangles in each pair are similar. If so, state how you know they are similar and complete the similarity statement.
Are they similar?
△CDE~△
What is the postulate you used to prove they are similar?
State if the triangles in each pair are similar. If so, state how you know they are similar and complete the similarity statement.
Are they similar?
△KLM~△
What is the postulate you used to prove they are similar?
State if the triangles in each pair are similar. If so, state how you know they are similar and complete the similarity statement.
Are they similar?
△JKL~△
What is the postulate you used to prove they are similar?
Use the Pythagorean Theorem to find the missing side of the following triangle. Leave your answer in simplest radical form.
Find the geometric mean between 3 and 12. (Remember to simplify your radical. Do not use decimals)
Solve for x.
Solve for x.
Solve for x.
Give each trig ratio as a fraction in simplest form.
Sin Q
Give each trig ratio as a fraction in simplest form.
Cos Q
Give each trig ratio as a fraction in simplest form.
Tan Q
Solve for x. Round to the nearest tenth.
Solve for x. Round to the nearest tenth.
Solve for x. Round to the nearest tenth.
Solve for x. Round to the nearest tenth.
Solve for x. Round to the nearest tenth.
Jake leaned a 12-foot ladder against his house. If the angle formed by the ladder and the ground is 68° , how far from the base of the house did he place the ladder?