
Triangles: Properties and Formulas

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Hard
+3
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the hypotenuse in a 30-60-90 triangle?
2x
x√3
x
x/2
Tags
CCSS.8.G.B.8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the hypotenuse of a 30-60-90 triangle is 22, what is the length of the short leg?
15
11
22
5
Tags
CCSS.HSG.CO.C.10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the short leg and the long leg in a 30-60-90 triangle?
The long leg is twice the short leg
The long leg is the short leg times √3
The long leg is half the short leg
The long leg is the short leg plus 5
Tags
CCSS.6.G.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the area of a triangle?
base times height
one-half base times height
base plus height
base minus height
Tags
CCSS.8.G.A.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an equilateral triangle, what is the measure of each angle?
45 degrees
30 degrees
60 degrees
90 degrees
Tags
CCSS.HSG.CO.C.11
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does drawing an altitude in an equilateral triangle affect the angles?
It does not affect the angles
It triples the angles
It halves one of the angles
It doubles the angles
Tags
CCSS.8.G.B.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the length of the short leg if the side of an equilateral triangle is 10?
20
15
5
10
Tags
CCSS.8.G.B.8
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