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choli [55]
3 years ago
12

Find the area of the shaded region in terms of . Please help :)

Mathematics
1 answer:
Irina-Kira [14]3 years ago
4 0

9514 1404 393

Answer:

  50π cm²

Step-by-step explanation:

The radius of the larger circle is 10 cm, so its area is ...

  A = πr² = π(10 cm)² = 100π cm²

The area of each smaller circle is ...

  A = π(5 cm)² = 25π cm²

Then the shaded area is ...

  shaded = large circle - 2 × small circle

  shaded = 100π cm² - 2(25π cm²) = 50π cm²

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Pleaseee help help
Eddi Din [679]

The angle the golfer went off line from the tee when they  drove the ball

is \phi=28.2 \textdegree because the cosine rule has been applied to calculate the angle

From the question we are told that:

Distance of hole from tee d_h=340yards

Distance to the right d_r=230yards

Ball distance from hole d_b=175 yard

Given that the three points form a triangle x,y,z respectively

Where

d_h=xz

d_r=xy

d_b=yz

Using Cosine Rule

yz^2=xy^2+xz^2-2(xy)(xz)cos\phi

Therefore

cos\phi=\frac{yz^2}{xy^2+xz^2-2(xy)(xz)}

cos\phi=\frac{(175)^2}{230^2+340^2-2(230)(340)}

cos\phi=0.88

\phi=28.2 \textdegree

In conclusion the angle the golfer went off line from the tee when they

drove the ball is mathematically deducted and give as

\phi=28.2 \textdegree

For more information on this visit

brainly.com/question/21856223

5 0
3 years ago
What is the value of x?
satela [25.4K]

Answer:

x = 4

Step-by-step explanation:

By property of intersecting secants outside of circle.

PC \times PA = PB \times PD \\ 10(2x + 10)  = 9(2x + 3 + 9) \\ 20x + 100 = 18x + 108 \\ 20x - 18x = 108 - 100 \\ 2x = 8 \\ x =  \frac{8}{2}  \\ \huge \red{ \boxed{ x = 4}}

5 0
3 years ago
Kevin is taking a two-part test in social studies
Artyom0805 [142]

Answer:

32

Step-by-step explanation:

subract the amount he needs by the number he has

4 0
3 years ago
Find the value of x. <br><br> is this the correct answer?
IgorLugansk [536]

Step-by-step explanation:

what's the radius

need the radius

5 0
3 years ago
1/4 + 2/8 <br>adding fractions with unlike denominators show the work
BARSIC [14]
<span>The common denominator of the two fractions is: 8 
</span><span>1/4 = (1*2)/(2*4) = 2/82/8 = (1*2)/(1*8) = 2/8 
<span>Fractions adjusted to a common denominator1/4 + 2/8 = 2/8 + 2/82/8 + 2/8 = (2+2)/8(2+2)/8 = 4/84/8 = 1/2
The answer is 1/2. 

hope this helps. </span></span>

4 0
3 years ago
Read 2 more answers
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