QuizzoMidterm Review

Please copy these problems into your notebooks as a review for the midterm exam.

This power point can also be emailed to you upon request. (and I might post it online)

Agree on a team answer for each question and be sure to include units on ALL answers!!

Round 1

1. The acute angles in a right triangle are ______________

2. Calculate the measure of angle F in the picture below:

2x+16°

x° 2x+4°D

E

F

3. If m and n are parallel, x and y are ____________________ angles

m

n

x

y

4. Which of the following can NOT form a triangle?

I. 3, 4, 5 II. 3, 4, 7 III. 3, 4, 10

5. Given ΔLMN~ ΔTUV, solve for x.

L

M

N

T

UV

x 4 812

20

Round 21. What is the area of the trapezoid rounded to the nearest

hundredth?

14 cm

70°

4 cm 20 cm

2. What is the area of the square?

5x+4 ft

3. A right triangle has a hypotenuse of 9 and a leg with length 6. What is the length of the other leg

(in simplified radical form)?

4. What is the length of AC in the triangle below?

A

B C30°

10

5. What is the area of a square whose diagonal has a length of in?

Round 3

1. Plot A(0,6), B(2,0) and C(4,0). Find the area of the triangle.

2. If tan(x)=4/3, what is cos(x)?

x

3. Give an equation of a line that is perpendicular to the line 2x – 3y = 12.

4. If the probability of winning a game is 4/13, what is the probability of losing the game?

5. If you flip a coin twice, what is the probability you will flip 2 heads?

Round 4

1. In ΔLMN, LM=15 cm, , and MN=40. To the nearest degree, what is ?

90m L

m N

2. Plot the point A(4,3) and rotate it 90° counter-clockwise. What are the coordinates of A′?

3. Plot the point Q(-3,-6) and reflect it over the y-axis. What are the coordinates of Q′?

4. How long is the line segment connecting the points (-1,4) and (3,-2)? Please leave your answer as a simplified radical.

5. A 12-foot ladder is leaning against a wall at a 72° with the ground. How high up the wall does the ladder reach? Round

your answer to the nearest hundredth.

Round 5

1. Solve the following equation. Leave your answer in simplified radical form.

2. Draw ΔDEF with , DE=5, and DF=2. How long is EF, rounded to the nearest hundredth?

110m D

3. If the slope angle of a line has tan(θ)=2/5 and goes through the point (8,6), what is the equation of the line?

4. Solve the equation:

5. Find the area of an equilateral triangle with an altitude of 9in. Please leave your answer in simplified radical form.