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Mamont248 [21]
3 years ago
6

What is the approximate area?

Mathematics
2 answers:
Karolina [17]3 years ago
8 0

Answer:

71.76 cm^2

Step-by-step explanation:

The composite figure is made up of a rectangle with a missing half circle and a triangle.

area = area of rectangle + area of triangle - area of half circle

For the circle, radius = r = diameter/2 = 7 cm/2 = 3.5 cm.

area = LW + bh/2 - (pi)r^2/2

area = 10 cm * 7 cm + 7 cm * 6 cm/2 + (3.14)(3.5 cm)^2/2

area = 70 cm^2 + 21 cm^2 - 19.24 cm^2

area = 71.77 cm^2

Answer: 71.76 cm^2

valentina_108 [34]3 years ago
4 0

Answer:

71.77cm

Step-by-step explanation:

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A survey was carried out among 120 school children looked at which type of meat they preferred. 55%said they preferred lamb,20%
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No. of children in lamb, chicken, duck, and turkey category is 66, 24, 18 and 12 respectively.

<h3>What is percentage ?</h3>

Percentage is the value per hundredth.

According to the given question a survey was carried out among 120 school children looked at which type of meat they preferred. 55% said they preferred lamb,20% said they preferred chicken, 15% preferred duck and 10% turkey and we have to calculate no. of children in each category.

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