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cricket20 [7]
3 years ago
5

Jose found a beach ball in his garage. He wants to know how much plastic was used to

Mathematics
1 answer:
Serjik [45]3 years ago
4 0

Answer:

  about 616 in²

Step-by-step explanation:

The area of a sphere is given by ...

  A = πd²

For a ball 14 inches in diameter, the area is ...

  A = π(14 in)² = 196π in²

  A ≈ 616 in²

The area of the required plastic is about 616 square inches.

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What type of number is -16.2i
azamat

Answer:

Complex and imaginary number

Step-by-step explanation:

First, let's write the number-16.2i in the form of a+bi.

0+ (-17)i

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15. In the rhombus shown below, mz1 = 160°. What are the measures of 22 2 points
egoroff_w [7]

Answers:

angle2 = 160 degrees

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============================================

Explanation:

The two triangles are congruent. We can prove this using SSS. The upper triangle is a mirrored copy of the lower triangle.

Since angle1 = 160 degrees, this means angle2 = 160 also. This is because the corresponding pieces of congruent triangles match up. Or you could use the second part of the hint which says "Opposite angles in a rhombus are congruent".

Let x be the measure of angle 3. For either isosceles triangle, it has congruent base angles measured x degrees. They add to the 160 degrees mentioned earlier to get a total of 180.

160+x+x = 180

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x = 20/2

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Angle 3 is 10 degrees.

6 0
2 years ago
Be quick! i will mark the correct one brainliest :)
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