Transcript Prectrig_review

Trigonometry
Angle of
Elevation &
Depression
Law of Sines
Law of
Cosines
$100
$100
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$200
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$500
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Pythagorean
Theorem
Special Right
Triangles
$100
Final Jeopardy
Right Triangles
Final Jeopardy
A rectangle has a diagonal 20 inches long
that forms angles of 30° and 60° with the
sides. Find the perimeter of the rectangle.
Round to the nearest hundredth.
54.64 in
Jeopardy Sound File
$100
Determine whether the following sides
will form a right triangle.
24 in, 32 in, 40 in
Yes; 242 + 322 = 402
Pythagorean Theorem
$200
Find the value of x. Round to the
nearest tenth.
√137 OR 11.7
Pythagorean Theorem
$300
No; 202 + 212 ≠ 282
Pythagorean Theorem
$400
65 miles apart
Pythagorean Theorem
$500
30 feet
Pythagorean Theorem
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150√2
Special Right Triangles
$200
Find the value of x. Round to the
nearest hundredth.
3√2 or 4.24
Special Right Triangles
$300
20 feet
Special Right Triangles
$400
The perimeter of an equilateral triangle
is 36 cm. What would be the length of
the altitude?
6√3
Special Right Triangles
$500
23.15 or 5 root 2+12+5root 6 divided by 3
Special Right Triangles
$100
Find the value of x. Round to the
nearest tenth.
14.6
Trigonometry
$200
Find the value of x. Round to the
nearest tenth.
18.1
Trigonometry
$300
15.5 ft
Trigonometry
$400
Find the value of x. Round to the
nearest tenth.
24.2
Trigonometry
$500
31.2 m
Trigonometry
$100
347.3 m
Angles of Elevation & Depression
$200
41,027.5 ft
Angles of Elevation & Depression
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21 ft
Angles of Elevation & Depression
$400
An airplane is flying at a height of 2 miles
above the ground. The distance along the
ground from the airplane to the airport is 5
miles. What is the angle of depression from
the airplane to the airport?
21.8°
Angles of Elevation & Depression
$500
A bird sits on top of a lamppost. The angle of
depression from the bird to the feet of an
observer standing away from the lamppost is
35. The lamppost is 14ft tall. How far away
is the observer from the bird?
24.4 ft
Angles of Elevation & Depression
$100
In ΔSTU, <U=37°, <T=17°, t = 2.3.
Find the length of u.
4.7
Law of Sines
$200
In ΔEFG, <G=14°, <E=67°, e = 14. Find
the length of g.
3.7
Law of Sines
$300
In ΔSTU, <T=85°, s=4.3, t = 8.2. Find the
m<S.
31.5°
Law of Sines
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In ΔABC, a = 40, c = 12, <A=37°. Find
the m<C.
10.4°
Law of Sines
$500
91.8 m
Law of Sines
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In ΔJKL, j=9.6cm, l = 1.7 cm, & <K=43°.
Find the length of k.
8.4cm
Law of Cosines
$200
In ΔJKL, j = 11cm, k = 7 cm, & <L=63°.
Find the length of l.
10 cm
Law of Cosines
$300
In ΔMNQ, m=24cm, n = 28 cm, & q=34
cm. Find m<M
44.2°
Law of Cosines
$400
Find the length of c.
30.7
Law of Cosines
$500
14.5 ft
Law of Cosines