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2 years ago

7

Given that ∠STV = 108° and ∠RST = 50°, determine the missing angles:

1 answer:

Mekhanik [1.2K]2 years ago

7 0

A. 108 degrees
b. 72 degrees
c. 108 degrees

Hope this helps :)

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I also need help on this one smh

AysviL [449]

Answer:

C. 176.6 Square feet (I think)

Step-by-step explanation:

I tried many different ways and got three of the answers above but I think this is the right one.

The equation to find area of a circular cone base: $A= \pi r^2$

We are given the diameter (15 Feet) but we need to find the radius. So we use the diameter to radius formula: $r = \frac{d}{2}$
Plug in numbers: $r=\frac{15}{2}$ ≈ $7.5$
Use the Area formula now that you have radius: $A=\pi 7.5^2$
Solve and get = $a = 176.71458676$
Looking at the options the closest one to our answer (off by one-tenth) is C.

Sorry if you get this wrong. I tried lol.

7 0

2 years ago

Find the area of the circle. Leave your answers in terms of pi.

Savatey [412]

Answer:

49pi m^2

Step-by-step explanation:

Area of circle=pi r^2

D=2r=14

r=7

Area of circle =7^2pi=49pim^2

3 0

2 years ago

Read 2 more answers

Help pleaseeeeee!! D:

Dimas [21]

Answer:

Perimeter = 82 units

Step-by-step explanation:

Find:

Perimeter

Computation:

Unknown height = 13 + x

So,

25² = x² + 24²

x = 7

So,

Unknown height = 13 + 7

Unknown height = 20 unit

Perimeter = 25 + 24 + 13 + 20

Perimeter = 82 units

8 0

3 years ago

Two positive consecutive numbers are represented by x and x+1. If four is added to the first

Naya [18.7K]

Step-by-step explanation:

<h3> new numbers are x+4 and x-1</h3>

so, x+4/x-1=11/16

16x+64=11x-11

16x-11x=-11-64

5x=-75

x = -15

also, x+1 = -14

8 0

3 years ago

Read 2 more answers

The forumla for the volume of a cone is V=1/3pr^2h. the radius r of the caone may be expressed as

xeze [42]

V=1/3hpir^2
times 3 both sides
3V=hpir^2
divide both sides by hpi
$\frac{3V}{h\pi} =r^2$
sqrt both sides
$\sqrt{\frac{3V}{h\pi}} =r$

7 0

3 years ago