8.1
The Geometric Mean
8.2
The Pythagorean Theorem
8.3
Special Right Triangles
8.4 Trigonometry
8.4-8.6
100
What is the geometric mean of 4 and 64?
16
100
The measure of the hypotenuse of a right triangle with a leg = 3, and the other leg = 4.
5
100
What type of special triangle is an isosceles triangle?
45-45-90
100
What type of triangles do trigonometric ratios involve?
Right triangles
100
What is the Law of Sines?
sinA/a = sinB/b = sinC/c
200
What is the geometric mean of 3 and 27?
9
200
The measure of a leg of a right triangle with the other leg = 6, and the hypotenuse = 10
8
200
What is the length of the hypotenuse equal to in a 45-45-90 triangle?
The square root of 2 times the measure of the legs
200
What is a memory aid (mnemonic) of the Trig ratios SINe, COSine, and TANgent?
SohCahToa
200
How could you find the measure of a side "a" of a triangle using the Law of Cosines?
a^2 = b^2 + c^2 - 2bc(cosA)
300
What is the geometric mean of 1 and 9?
3
300
What is the length of a leg if one leg equals 10 and the hypotenuse equals 26?
24
300
What is the measure of the HYPOTENUSE of a 30-60-90 right triangle?
2 times the measure of the short leg
300
Use a special right triangle to express the trigonometric ratio as a fraction sin 30
1/2
300
Find x for the given triangle.
6.1
400
What is the geometric mean of two positive numbers?
The square root of the product of the two numbers.
400
What is the length of the hypotenuse if one leg equals 30 and the other leg equals 16
34
400
If the hypotenuse of a 45-45-90 triangle is 12, what is the measure of the two legs?
6 times the square root of 2
400
Use a special right triangle to express the trigonometric ratio as a fraction. tan45
1
400
Solve the right triangle.
WX = 15.1 XZ = 9.8 angle W = 33
500
Find x for the given triangle.
6
500
What is the length of the hypotenuse if one leg equals 21 and the other leg equals 72?
75
500
If the length of the hypotenuse in a 30-60-90 triangle is 10, what are the lengths of the two legs?
Longer leg = 5 times the square root of 3 Shorter leg = 5
500
Find x for the given triangle.
30.7
500
If you know the sine, cosine, and tangent of an acute angle, what can you use to find the measure of the angle?
Inverse trigonometric ratios
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