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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:
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Use your notes to help you practice these problems. Show all of your work needed for each question.
Use your notes to help you practice these problems. Show all of your work needed for each question.
Directions: If W is the midpoint of QE, , classify each triangle by its angles and sides.
a. ΔWQY:
b. ΔEYW:
c. ΔETR:
d. ΔRTY:
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:
3.Find all missing angles.
m∠1=
m∠2=
m∠3=
m∠4=
m∠5=
m∠6=
m∠7=
4. Solve for x.
5. If ΔABC is equilateral, solve for x.
6. If ΔRST is isosceles, find m∠S.
7. Find the values of x and y in the diagram below.
x=
y=
8. If l || m, find the values of x and y in the diagram below.
x=
y=
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=
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=