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mr Goodwill [35]
4 years ago
11

In triangle ABC,  <A is a right angle, and m<B = 45°.

Mathematics
2 answers:
coldgirl [10]4 years ago
4 0
I believe it would be A

Nana76 [90]4 years ago
3 0
1. The lenght BC is the hypotenuse of the triangle and to find its value, we must apply:

 Sin(α)=opposite leg/hypotenuse

 The opposite leg is14 ft.
 The hypotenuse is BC.
 The Angle "α" is 45°.

 2. Let's substitute in the formula:

 Sin(α)=opposite leg/hypotenuse
 Sin(45°)=14/BC

 3. When we clear BC, we obtain:

 BCxSin(45°)=14
 BC=14/Sin(45°)

 4. Then, the result is:

 BC= 14√2 ft
<span>
 5. What is the length of BC?
</span>
 The answer is: The length of BC is 14√2 ft
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In the band, there are 2 vocalists and 5 musicians. What is the ratio of musicians to vocalists
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3 years ago
PLZZ HELP WILL GIVE BRAINIEST!An ice cream cone has a scoop of ice cream that is a half-sphere on top. What is the volume of the
Tpy6a [65]

Answer:

See example below.

Step-by-step explanation:

You'll need the height and radius of the cone to  find the volume. Use the example below to find your solution.

Example:

The volume of the cone is found using the volume formula for a cone V=\frac{1}{3}\pi r^2h.

Substitute h=18 and r = 6.

V = \frac{1}{3}\pi r^2h\\V = \frac{1}{3}\pi (6^2)(18)\\V=\frac{1}{3}\pi *36*18\\V = \frac{648}{3}\pi \\V= 216\pi = 678.24

A half sphere is a hemisphere. The volume of a hemisphere is half of V=\frac{4}{3}\pi r^3. Substitute r=6.

V=\frac{4}{3}\pi r^3\\V=\frac{4}{3}\pi 6^3\\V=\frac{4}{3}\pi *216\\V=\frac{4*216}{3}\pi\\ V=288\pi=452.6

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The total volume for this example is 452.6 + 678.24 = 1,130.84

3 0
4 years ago
Can I get some help please 11 and 12
Xelga [282]
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6 0
4 years ago
Read 2 more answers
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