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5.G4: Trigonometry Flashcards | StudBud
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5.G4: Trigonometry
5.G4: Trigonometry
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Answers
1
The unknown (?) side is:
4.91
4.201
OBVIOUS
3.44
2
Length BA is ______? (Hint: Isn't that a special triangle?)
8
8 * (root 2)
8 * (root 3)
3
Both legs in this right triangle have a length of __________ (Uh, isn't that another special right triangle?)
5 / root 2
(5 * root 2) / 2
5 * (root 2)
5 / root 3
4
The "40" in the equation--> tangent(40) = x/6 is the:
ADJACENT SIDE
REFERENCE ANGLE
OPPOSITE SIDE
SCORE YOU GOT ON THE LAST EXAM
5
7x + 13 = 3x + 35
5.3
5.6
5.4
5.5
6
Slope can be defined as the:
RISE / RUN
RISE - RUN
RUN / RISE
RISE * RUN
7
The Cosine Ratio for a given reference angle is:
HYPOTENUSE / ADJACENT
OPPOSITE / ADJACENT
ADJACENT / HYPOTENUSE
ADJACENT / OPPOSITE
8
Angle Theta = 41.41 degrees
True
False
9
Inverse Trigonometry Functions are for determining side lengths.
True
False
10
Side AC is _________. (Remember the answer for the last question!)
16 * (root 2)
8 * (root 2)
8 * (root 3)
16 * (root 3)
11
The following would NOT be considered special right triangles! (Choose ALL that aren't!)
40-50-90
20-70-90
30-60-90
45-45-90
12
Determine the measure of Angle X.
NOBODY AT THE BUS STOP WILL ASK ME THIS.
.741 degrees
36.57 degrees
53.42 degrees
13
The Pythagorean Theorem states that:
A2-B2=C2
A2+B2=C2
A2*B2=C2
A2 + C2 = B2
14
The following diagram does NOT demonstrate:
THE HYPOTENUSE IS TWICE THE SIDE OPPOSITE THE 30
THE SIDE OPPOSITE THE 30 = THE SIDE OPPOSITE THE 60 DIVIDED BY \sqrt{2}
THE SIDE OPPOSITE THE 60 =\sqrt{3} * THE SIDE OPPOSITE THE 30
THE SIDE OPPOSITE THE 30 IS \frac{1}{2} THE HYPOTENUSE
15
The area of this triangle is ____________ (You should already know the base and height!)
32 * root 3
16 * root 2
64 * root 3
64 * root 4
16
Trigonometry is based on what kind of triangle?
ISOSCELES
EQUILATERAL
SCALENE
RIGHT
17
The Tangent Ratio for a given reference angle is:
OPPOSITE / HYPOTENUSE
ADJACENT / HYPOTENUSE
OPPOSITE / ADJACENT
ADJACENT / OPPOSITE
18
The Sine Ratio for a given reference angle is:
HYPOTENUSE / OPPOSITE
RISE / RUN
OPPOSITE / ADJACENT
OPPOSITE / HYPOTENUSE
19
Solve for y.
80
8.84
4
8.94