NEW
Font size
S
M
L
XL
WorksheetsHG: L-Learning, Thurs, Feb 27, 2020
Total questions: 20
Worksheet time: 40mins
Name
Class
Date
1.
Find a.
a)
5
b)
√2
c)
5√2
d)
2
2.
Find a.
a)
4
b)
2
c)
4√2
d)
2√4
3.
Find x.
a)
4√3
b)
4√6
c)
4
d)
4√8
4.
If the leg of a 45-45-90 triangle is 7 cm long, then its hypotenuse is _____ cm.
a)
7√2
b)
49√2
c)
7
d)
7√7
5.
Find the missing side lengths.
a)
a = 4, b = 4
b)
a = 4, b = 2√2
c)
a = 2√2, b = 4
d)
a = 4, b = 4
6.
Find y.
a)
8√2
b)
4√2
c)
4
d)
8
7.
Which side is the long leg in this 30-60-90 triangle? (not the hypotenuse)
a)
4
b)
u
c)
v
8.
Which side is the short leg of this 30-60-90 triangle?
a)
6
b)
m
c)
n
9.
What is the length of u and v in this 30-60-90 triangle?
a)
u = 8 v = 4√3
b)
u = 4√2 v = 8
c)
u = 16 v = 8
d)
u = 4√3 v = 8
10.
What are x and y in this 30-60-90 triangle?
a)
x = 6 y = 3√3
b)
x = 1.5√3 y =1.5
c)
x = 3√3 y = 6
d)
x = √3 y = 2√3
11.
a)
8
b)
16
c)
16√2
d)
32
12.
a)
x=17 y=34√3
b)
x=34 y=17√3
c)
x=34√3 y=17
d)
x=17√3 y=34
13.
The pilot of a traffic helicopter sights an accident at an angle of depression of 18 degrees. The helicopter’s altitude is 1560 ft. What is the horizontal distance from the helicopter to the accident? Round to the nearest foot.
a)
543 ft
b)
1756 ft
c)
4801 ft
d)
5404 ft
14.
Jake built a skateboard ramp that covers a horizontal distance of 10 ft. The ramp rises a total of 3.5 ft. What angle does the ramp make with the ground? Round to the nearest degree.
a)
19 degrees
b)
20 degrees
c)
28 degrees
d)
35 degrees
15.
When the angle of elevation of the sun is 78 degrees, an statue casts a shadow that is 6m long. How far is the top of the statue to the end of its shadow?
a)
1.2 m
b)
28.9 m
c)
6.1 m
d)
28.2 m
16.
A building 62 feet tall casts a shadow 21 meters long. At what angle is the sun shining on the building?
HINT: Assume this is a right triangle.
HINT: Assume this is a right triangle.
a)
19.80
b)
18.71
c)
70.20
d)
71.29
17.
Susan is flying a kite, which gets caught in the top of a tree. Use the diagram to estimate the height of the tree.
HINT: Assume this is a right triangle.
HINT: Assume this is a right triangle.
a)
63 ft
b)
65 ft
c)
74 ft
d)
87 ft
18.
Jack is flying his kite. He runs 100 feet away from his house and lets out 75 feet of string. The angle of elevation from the ground to the kite is 65 degrees. How far away is the kite from the house?
HINT: This might not be a right triangle.
HINT: This might not be a right triangle.
a)
9285.73
b)
96.36
c)
24061.81
d)
155.12
19.
The lengths of a triangle are given below. Is the the triangle obtuse, acute, or right?
4, 5, 6
4, 5, 6
a)
right
b)
obtuse
c)
acute
20.
A triangle has side lengths:
20, 21, 28. Is this triangle a right triangle, an acute triangle, or an obtuse triangle?
20, 21, 28. Is this triangle a right triangle, an acute triangle, or an obtuse triangle?
a)
right
b)
acute
c)
obtuse
Reset
