Name ____________________
Time: ________
Date ___ / ___ / ___
Score ________
TriangleRight (Number Dojo Level 253)
High School Worksheet Set E
Instructions: Give yourself 5 minutes to complete as many problems as you can. Score this worksheet like a
Number Sense test, giving yourself 5 points for every correct answer, less 4 points for every skipped or incorrect
answer. High score is a 200. RT stands for right triangle.
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A right angle measures _______°
The hypotenuse of a RT with legs 9 & 12 is ___
The area of a RT with one leg 3 & hypotenuse 5 is _
Hypotenuse of RT with integer sides & shortest leg 5 is _
RT has hypotenuse 25 & one leg of 15; the other leg is _
The hypotenuse of a RT with legs 10 & 24 is __
The hypotenuse of a RT with legs 16 & 12 is __
The area of a RT with integer sides & shortest leg 5 is __
If the hypotenuse of an isosceles RT is 6, the area is ___
The short leg of 30-60-90 triangle is √3. The long leg is _
The area of a RT with sides 5, 12, & 13 is __
The area of a RT with hypotenuse 25 & one leg 24 is __
Perimeter of a RT with integer sides & shortest leg 5 is _
RT has hypotenuse 26 & one leg of 24; the other leg is _
The perimeter of a RT with legs 7 & 24 is ____
The area of a RT with base 18 & height 44 is __
RT has hypotenuse 41 & one leg of 40; the other leg is _
The missing leg of a RT with hypot. 17 & one leg 15 is __
The perimeter of a RT with legs 5 & 12 is ____
RT has hypotenuse 26 & one leg of 10; the other leg is _
__
Legs of a RT are 6 & 8. The altitude to the hypot. is ___
Smallest leg of a RT is 9; hypotenuse is 41. Perimeter is _
The leg opposite the 30°  in a RT is 2.5. The hypot. is _
One leg of a 45°-45° RT is 2√2. The hypotenuse is _
Longer leg of a 30°-60° RT is 3√3; the shorter leg is _
Leg opposite the 60°  in a RT is 12√3. The hypot. is __
The perimeter of a RT with base 7 & hypotenuse 25 is __
The area of a RT with base 40 & hypotenuse 41 is _
Legs of a RT are 9 & 40. The altitude to the hypot. is ___
Sides of a RT are integers. One leg is 7; the other leg is _
A 30°-60° RT has hypotenuse 6. The short leg is __
The legs of a RT are 3 & 4. The altitude to the hypot. is _
The leg opposite the 30°  in a RT is 4. Hypotenuse is __
Area of an isosceles RT with hypotenuse 5√2 is ___
In a 45°-45° RT, one leg is 5. The other leg is ____
Hypot. of 30°-60° RT is 10; the leg opposite the 30°  is _
The leg opposite the 45°  is 3√2; the hypotenuse is __
Area of a RT with leg 8 & hypotenuse 17 is ___
Area of an isosceles RT with hypotenuse 12√2 is __
21) A RT with a short leg of 13 has a hypotenuse of
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- - - - - - - - - - - - - - - Fold the bottom portion under - - - - - - - - - - - - - - Answer Key
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90
15
6
13
20
26
20
30
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9
3
30
84
30
10
56
396
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9
8
30
24
85
4.8
90
5
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4
3
24
56
180
360/41
24
3
© 2016 by Number Dojo, www.NumberDojo.com
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12/5 or 2.4
8
12.5 or 12 ½
5
5
6
60
72