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EOL: Wk 5

Last updated about 5 hours ago

10 questions

Note from the author:

Use your notes to help you practice these problems. Show all of your work needed for each question.

Instructions

Use your notes to help you practice these problems. Show all of your work needed for each question.

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2

Question 1

1.

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Directions:  If W is the midpoint of QE, , classify each triangle by its angles and sides.
a. ΔWQY:____________________
b. ΔEYW:____________________
c. ΔETR:____________________
d. ΔRTY:____________________

Question 2

2.

2. If W(-2, 3), X(5, 5), and Y(-4, 10) classify △WXY by its sides.  Show all work to justify your answer.

WX= __________
XY=__________
WY=__________
Classify:__________

Question 3

3.

3.Find all missing angles.

m∠1=__________
m∠2=__________
m∠3=__________
m∠4=__________
m∠5=__________
m∠6=__________
m∠7=__________

Question 4

4.

4. Solve for x.

4

6

Question 5

5.

Question 6

6.

Question 7

7.

7. Find the values of x and y in the diagram below.

x=__________
y=__________

Question 8

8.

SKIP THIS PROBLEM

Question 9

9.

9. In ΔXYZ, if XY ≅  XZ, m∠ X = (3x + 7)°, m∠ Y = (7x – 24)°, and m∠ Z = (4x + 15)°, find x and the measure of each angle. 

x=__________
m∠ Z=__________
m∠ Y=__________
m∠ X=__________

Question 10

10.

In ΔWXY, if ∠X ≅ ∠Y, WX = 7x – 1, XY = 4x + 1, and WY = 4x + 17, find x and the measure of each side.

x=__________
WX=__________
XY=__________
WY=__________

7

5

11

5. If ΔABC is equilateral, solve for x.

19

12

26

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24

7

6. If ΔRST is isosceles, find m∠S.

26

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13

24

19

7