Mathematics, 12.01.2020 05:31 izquierdohannah

Figure is made from a part of a square and a part of a circle.
$
this figure
10
a) what is the perimeter of this
figure, to the nearest unit?

Figure is made from a part of a square and a part of a circle. $ this figure 10

Answers: 3

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Answer from: stephenbeal8

Perimeter of the given figure will be 38 units.

Given in the question,

Measures of three linear sides as 5, 10, 10, 5 units.Radius of the circular part = 5 units

Perimeter of a polygon = Measure of the circumference of the polygon

From the figure attached,

Perimeter of the figure = measure of the three straight lines + measure of the circumference of the quarter circle

Measure of linear sides = 5 + 10 + 10 + 5 = 30 units

Circumference of the quarter circle = $\frac{1}{4}(2\pi r)$

= $\frac{1}{2}(\pi )(5)$

= 7.85 units

Perimeter of the figure = 30 + 7.85

= 37.85

≈ 38 units

Therefore, perimeter of the given figure will be 38 units.

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Answer from: xojade

Total perimeter = 38 units.

Total area = 95 sq. units.

Step-by-step explanation:

See the attached figure.

a) The perimeter of the circular portion is one-fourth of the circumference of a full circle.

So, as the radius is 5 units, so the perimeter will be $\frac{1}{4} (2\pi r) = \frac{22 \times 2 \times 5}{7 \times 4} = 7.857$ units.

Therefore, the total perimeter will be (10 + 10 + 5 + 5 + 7.857) = 37.857 ≈ 38 units. (Answer)

b) The area of the circular portion is one-fourth of the area of a full circle.

So, area of the circular portion is $\frac{1}{4}(\pi r^{2}) = \frac{22 \times 5^{2}}{4 \times 7} = 19.643$ sq, units.

Therefore, the area of the total figure will be [(5 × 5) + (5 × 5) + (5 × 5) + 19.643] = 94.643 sq. units ≈ 95 sq. units. (Answer)

Answer from: Quest

step-by-step explanation:

Lengths of newborn girls are normally distributed with a mean of 49.2 cm and a standard deviation of

Answer from: Quest

15%

step-by-step explanation:

use the table and count the number of guesses that has two correct answers.

the following are two correct answers

10010, 01100, 11000

a total of 3 numbers having 2 correct guesses out of 20 questions.

probability of getting 2 correct guesses = the number of questions getting 2 correct answers / total number of questions.

= 3/20

to convert it into percent multiply by 100, we get

= 3/20 * 100

= 15%

the answer is 15%

you.

Afive question multiple-choice quiz has five choices for each answer. use the random number table pr

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Figure is made from a part of a square and a part of a circle.
$
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10

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