9th
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Mathematics

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Albert Cappell

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Mathematics

9th

grade

Special triangles and Pythagoras Theorem

Albert Cappell

5
plays

20 questions

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1. Multiple Choice
30 seconds
1 pt
What are the two special right triangles?
40-50-90 triangle and 20-70-90 triangle
60-60-60 triangle and 90-90-90 triangle
45-45-90 triangle and 30-60-90 triangle
45-45-45 triangle and 30-30-30 triangle
2. Multiple Choice
30 seconds
1 pt
In a 45-45-90 triangle, if the length of one leg is 5, what is the length of the hypotenuse?
5√2
5
25
10
3. Multiple Choice
30 seconds
2 pts
What is the value of y?
4. Multiple Choice
30 seconds
2 pts
What is the value of x?
5. Multiple Choice
30 seconds
2 pts
What is the value of x?
6. Multiple Choice
30 seconds
2 pts
What is the value of y?
7. Math Response
2 minutes
2 pts
What is the value of y? Value only, no y =
8. Math Response
2 minutes
2 pts
What is the value of x? Value only, no x =
9. Math Response
2 minutes
2 pts
What is the value of x? Value only, no x =
10. Math Response
2 minutes
2 pts
What is the value of y? Value only, no y =
11. Match
1.5 minutes
2 pts
Match the following for finding sides in a 30-60-90 right triangle.
Half of the hypotenuse
Short Leg
Double the short leg
Hypotenuse
Short leg times square root of 3
Long Leg
12. Drop Down
1.5 minutes
2 pts
In a 45-45-90 right triangle, to find the measure of a leg, you take the (a) and (b) by (c) .
$hypotenuse$
$divide$
$2$
$multiply$
$short leg$
$long leg$
13. Drop Down
1.5 minutes
2 pts
In a 30-60-90 right triangle, to find the measure of the long leg, you take the (a) and (b) by (c) .
$2$
$multiply$
$short leg$
$long leg$
$divide$
$hypotenuse$
14. Match
1.5 minutes
2 pts
Match the following for a 30-60-90 right triangle
Opposite the right angle.
Short Leg
Opposite the 60° angle.
Long Leg
Opposite the 30° angle.
Hypotenuse
15. Multiple Choice
30 seconds
2 pts
In a 45-45-90 right triangle, how many sides are the same size?
None
Two
All 3
Depends on the triangle
16. Multiple Choice
30 seconds
2 pts
If you know the value of the hypotenuse in a 45-45-90 right triangle, how would you find the measure of a leg?
Divide by the square root of 2
Divide by the square root of 3
Multiply by 2
Divide by 2
None of these
17. Multiple Choice
30 seconds
1 pt
What kind of triangles does the Pythagorean Theorem work with?
Right
Left
Isosceles
Equilateral
18. Multiple Choice
30 seconds
1 pt
What is the formula used to solve for the hypotenuse?
a²+b²=c²
a+b=c
a²-b²=c²
c-a=c
19. Multiple Choice
30 seconds
1 pt
Identify the hypotenuse.
x
z
w
20. Multiple Choice
2 minutes
1 pt
solve for c
7
9
4
13
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	Half of the hypotenuse		Short Leg
	Double the short leg		Hypotenuse
	Short leg times square root of 3		Long Leg

	Opposite the right angle.		Short Leg
	Opposite the 60° angle.		Long Leg
	Opposite the 30° angle.		Hypotenuse

Special triangles and Pythagoras Theorem

9thgrade

Mathematics

Mathematics

9th

grade

Special triangles and Pythagoras Theorem

5 plays

20 questions

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