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rjkz [21]
2 years ago
15

note: enter your answer and show all the steps that you use to solve this problem in the space provided. a cone with a diameter

of 8 inches and a height of 7 inches. find the surface area of the cone. use 3.14 for π .
SAT
1 answer:
ankoles [38]2 years ago
8 0

Answer: 548.96

Explanation: first find the circumference of the circle in the cone: 8*8*3.14 = 200.96

next find the triangle's area: 8 * 7/2 = 348

then add together 200.96+348= 548.96

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Pat needs to determine the height of a tree before cutting it down to be sure that it will not fall on a nearby fence. the angle
Mekhanik [1.2K]

The height of the​ tree, which Pat needs to determine, before cutting it down to be sure that it will not fall on a nearby fence is 111 ft.

<h3>What is right angle triangle property?</h3>

In a right angle triangle, the ratio of the opposite side to the base side is equal to the tangent angle between them.

\tan\theta=\dfrac{b}{a}

Here, (b) is the opposite side, (a) is the base side.

Pat needs to determine the height of a tree before cutting it down to be sure that it will not fall on a nearby fence.

The angle of elevation of the tree from one position on a flat path from the tree is

H=40^o

From a second position,

I=60\rm\; ft

Farther along this path it is,

b=30^o

Let the distance between tree and first position is x. Thus, from the trigonometry,

\tan 40=\dfrac{h}{x}\\h=x\tan 40             ....1

The distance between tree and second position is (x+60) ft. Thus, again from the trigonometry,

\tan 30=\dfrac{h}{x+60}\\h=(x+60)\tan 40               ......2

Compare the equation 1 and 2,

x\tan (40)=(x+60)\tan 30\\0.839x=0.577x+34.64\\0.839x-0.577x=34.64\\x=\dfrac{34.64}{0.262}\\x=132.25\rm\; ft

Put this value in equation 1 as,

h=(132.25)\times \tan40\\h\approx111\rm\;ft

Thus, the height of the​ tree, which Pat needs to determine, before cutting it down to be sure that it will not fall on a nearby fence is 111 ft.

Learn more about the right angle triangle property here;

brainly.com/question/22790996

#SPJ1

7 0
2 years ago
Using the performance planner on a monthly basis allows you to optimize which two aspects of an account? (choose two.)
k0ka [10]

Using the performance planner on a monthly basis allows one to optimize two aspects of an account, which are bid and budget.

<h3>What is a performance planner?</h3>

The performance planner is a tool which helps to obtain the best bids and mean monthly budget around all the campaigns.

The objective of a performance planner are:

  • Enhance the conversation number to achieve any upcoming spend premise.
  • Helps to obtain the best bids and mean monthly budget.
  • Provide the chance to get the benefit of seasonality opportunities.
  • Provides new possibilities to enhance the sales through ad and campaigns.

Hence, using the performance planner on a monthly basis allows one to optimize two aspects of an account, which are bid and budget.

Learn more about the performance planner here;

brainly.com/question/14521985

#SPJ1

3 0
2 years ago
the mean weight of trucks traveling on a particular section of i-475 is not known. a state highway inspector needs an estimate o
bekas [8.4K]

Answer:

14.7 and 16.9

4 0
2 years ago
Why is having an education important to you?
Sergeeva-Olga [200]

Answer:

the feeling of getting good grades after revising for so long knowing it payed off is the best feeling and also... money

7 0
2 years ago
A car averages 22 miles per gallon. If gas costs $2.89 per gallon, which of the following is closest to how much the gas would c
Alja [10]
You take 1,650/22=75
Then 75•2.89
So your answer is $216.75 is how much it would cost to go 1,650 miles
4 0
3 years ago
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