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morpeh [17]
3 years ago
8

The figure shown in the right is made up of a square and a circle. Find the perimeter of the shaded region.

Mathematics
2 answers:
Tasya [4]3 years ago
6 0

Answer:

B. 12 + 2pi cm

Step-by-step explanation:

The shaded region is made up of 3 square sides and one half circle. The three square sides are each 4, which means that those altogether equal 12.

The circle's circumference can be found by using the equation c = (d)pi

The diameter is 4, so the whole circumference is 4pi. However, you only need half of a circle, which is represented by 2pi.

Add them all together, and you get 12 + 2pi cm.

lianna [129]3 years ago
6 0

Answer: i think B

Step-by-step explanation:

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The horizontal distance from the base of the skyscraper out to the ship is 485.2 feet.

<h3>What is trigonometric ratio?</h3>

Trigonometric ratio is used to show the relationship between the sides and angles of right angled triangle.

Let d represent the horizontal distance from the base of the skyscraper out to the ship. Since the angle of depression is 67°, hence:

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Find out more on trigonometric ratio at: brainly.com/question/24349828

5 0
2 years ago
The ratio of dogs to cats in a shelter is 9:15.if the total number of cats and dogs is 96.how many dogs are there?
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There are 36 dogs in the shelter.

<h3>How to find the total number of dogs in the shelter?</h3>

The ratio of dogs to cats in the shelter is given as 9:15.

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This means that:

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Step-by-step explanation:

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