Triangle Properties Review
Authored by Angelina Harding
Mathematics
9th Grade
CCSS covered
Used 20+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Can the following sides form a triangle?
15, 12, 9
Yes!
No!
Answer explanation
15 + 12 = 27 > 9 ***
12 + 9 = 21 > 5 ***
9 + 15 = 24 > 12 ***
Tags
CCSS.7.G.A.2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Can the following sides form a triangle?
3, 4, 9
Yes!
No!
Answer explanation
9 + 3 = 12 > 4 ***
3 + 4 = 7 > 9 NO!
Tags
CCSS.7.G.A.2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Can the following sides form a triangle?
4, 7, 10
Yes!
No!
Answer explanation
4 + 7 = 11 > 10 ***
7 + 10 = 17 > 4 ***
10 + 4 = 14 > 7 ***
Tags
CCSS.7.G.A.2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determine the measure of angle h.
32
56
28
92
Answer explanation
Exterior Angle Theorem
angle 1 + angle 2 = angle 3
56 + h = 148
-56 -56
h=92
Tags
CCSS.8.G.A.5
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve for x in the triangle below.
10
11
12
13
Answer explanation
(3x+28)+(2x-10)+(5x+52)=180
10x + 70 = 180
-70 -70
10x=110
x=11
Tags
CCSS.8.G.A.5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the measure of angle B in the triangle below.
20
4
180
22
Answer explanation
5x + 2 = 3x + 10
-2 -2
5x = 3x + 8
-3x -3x
2x = 8
x=4
NOT DONE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
angle B= 5x+2 = 5(4)+2 = 22
angle B= 22
Tags
CCSS.8.G.A.5
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Find the value of x.
Midsegment = 1/2 (3rd Side)
30
6
58
29
Answer explanation
midsegment=1/2 (3rd side)
5x-1 = (1/2) (58)
5x - 1 = 29
+1 +1
5x = 30
x=6
Tags
CCSS.HSG.SRT.B.4
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