Triangles
Chapter 4-1,2,3,6
4-1 4-2 4-3 4-6
Classify △ ∠ of △ ≅△ Isos/Equ △
200 300 200 200
200 300 200 200
300 400 300 200
300 400 500 200
500 400 500 400
1. Identify 2 isosceles triangles.
△ABE & △ADE
2. Classify △JNM.
What is obtuse △?
3. d = ?
d=5
4.
Find of each side of the
equilateral triangle ABC if:
AB = 6x – 8
BC = 7 + x
AC = 13 - x
AB = BC = AC = 10
5.
Classify the triangle by sides –
include side lengths.
What is scalene?
6. Find missing angle measures.
∠1 = 63
∠2 = 63
∠3 = 38
7. Find missing angle measures.
∠1 = 75
∠2 = 75
∠3 = 57
8. Find missing angle measures.
∠1 = 70
∠2 = 110
∠3 = 46
∠4 = 102
∠5 = 37
9. Find missing angle measures.
∠1 = 130
∠2 = 50
∠3 = 85
∠4 = 45
∠5 = 120
10. Find missing angle measures.
y = 2.6
11. Name the congruent triangles.
△LMN ≅ △RTS
12.
If △LUV ≅ △GEO, name the
congruent parts.
∠L ≅∠G LU ≅ GE
∠U ≅ ∠E UV ≅ EO
∠V ≅ ∠O VL ≅ OG
13. ∠ A = ?
∠ A = 63
14.
Verify the triangles are congruent.
15.
RS = R’S’ = √34
ST = S’T’ = √17
TR = T’R’ = √17
16.
Name 2 congruent segments if
∠1 = ∠2
UW = VW
17.
Name two congruent angles
if RS = RT.
∠S = ∠T
18.
55
19.
10
20. X = ?
3x
30
x = 20
Final
Jeopardy
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