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lawyer [7]
4 years ago
10

CAN SOMEONE PLEASE HELP ME WITH THIS?? THANK YOU SO MUCH!!

Mathematics
1 answer:
vitfil [10]4 years ago
7 0

Answer:

volume = ⅓×π×4²×9 = 48π sq. meters

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Plzzzzzz helppppp meeee !!!
Anon25 [30]

Answer:

Corresponding side of AB is FE

Corresponding side of CB is DE

Corresponding side of AC is FD

k =2

DE = 6

FD=10

Step-by-step explanation:

Given

\triangle ABC and \triangle FED

See attachment for triangles

Solving (a): Corresponding side of AB

Going by the names of the triangle, the corresponding sides are:

AB and FE; CB and DE; AC and FD

Hence, the corresponding side of AB is FE

Solving (b): Corresponding side of CB

This has been solved in (a) above.

The corresponding side of CB is DE

Solving (c): Corresponding side of AC

This has been solved in (a) above.

The corresponding side of AC is FD

Solving (d): Scale factor from ABC to FED

To do this, we simply divide the lengths of corresponding sides.

The scale factor k is:

k = \frac{FE}{AB}

k = \frac{8}{4}

k =2

Solving (e): Length of DE

We make use of the scale factor calculated in (d) above

k = \frac{DE}{CB}

2 = \frac{DE}{3}

DE = 2 * 3\\

DE = 6

Solving (f): Length of FD

Using Pythagoras:

FD^2 = DE^2 + EF^2

FD^2 = 6^2 + 8^2

FD^2 = 100

FD = \sqrt{100

FD=10

7 0
3 years ago
Please help! I need help fast!
mart [117]

Answer:

x=30

y=15

z=150

Step-by-step explanation:

take 2x+x+90=180

we get x=30

and y=15 and z=150

4 0
3 years ago
Can you help me:(( please..
andreev551 [17]

Answer:

it's a non-function

4 0
3 years ago
I will give brainly if right
snow_tiger [21]

Answer:

Alternate interior angles are congruent, so 2x+5 = 3x -2.  X=7

Step-by-step explanation:

4 0
3 years ago
Help me please asap
larisa86 [58]

Answer:

i just know you have to use the second equation

Step-by-step explanation:

7 0
3 years ago
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