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SVETLANKA909090 [29]
3 years ago
5

Find the surface area of this composite solid.

Mathematics
2 answers:
mafiozo [28]3 years ago
6 0
The correct is A to this question
Sergeeva-Olga [200]3 years ago
5 0

Answer:

B

Step-by-step explanation:

area of top on triangle=1/2×4×3=6m²

area of four top triangles=6×4=24 m²

area of bottom square=4×4=16 m²

area of four side rectangles=4×(4×5)=80 m²

Total area= 24+16+80=120m²

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The answer is in the media.Good luck!

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3 years ago
MARKING BRAINLIST! PLEASE HELP!
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Answer:

\boxed {\boxed {\sf C. \ 4 \ inches}}

Step-by-step explanation:

Circumference is the perimeter of a circle. It can be found using the formula:

c= \pi d

However, we are given the radius.

  • The radius measures from the center to the edge of the circle.
  • The diameter measures from edge to edge through the center.
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The formula can be rewritten as:

c= \pi 2 r

We know the circumference is 25.12 inches.

25.12 \ in = \pi 2r

Let's round pi to 3.14

25.12 \ in = (3.14) 2r

We want to solve for the radius, so we must isolate it.

Divide both sides by 3.14 because the inverse of multiplication is division.

25.12 \ in / 3.14= (3.14 ) 2r  / 3.14

8 \ in = 2r

Divide both sides by 2.

8 \ in / 2 = 2r/2

4 \ in = r

The radius of the disc is <u>4 inches.</u>

6 0
3 years ago
A 13-ounce box of cereal sells for $3.25. An 18-ounce box of cereal sells for $3.60. Which statement describes the difference in
ivolga24 [154]

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Step-by-step explanation:

7 0
2 years ago
Mark went to costco and bought 12 cans of albacore for $15.96. what is the cost per can?
Law Incorporation [45]

Answer:

$1.33

Step-by-step explanation:

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3 0
3 years ago
What type of angles are 1 and 8 ?
wel

Answer:

A. None of the answers are correct

Step-by-step explanation:

∠3 is a verticle angle to ∠1

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8 0
2 years ago
Read 2 more answers
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