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natima [27]
3 years ago
9

Find the area of the sector with a central angle of 60° and a radius of 5 inches. round to the nearest tenth.

Mathematics
2 answers:
slavikrds [6]3 years ago
7 0
Area of sector=thita/360 ×pi×r^2
=60/360×22/7×5×5
=275/21
=13.0952
=13.1 inch^2
Snowcat [4.5K]3 years ago
3 0

Answer:

the answer is 13.1 inches

Step-by-step explanation:

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Translate "Three is less than thirty-seven" into a mathematical expression.
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sp2606 [1]

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Step-by-step explanation:

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Find the total area of the prism.
Sergio [31]

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864

Step-by-step explanation:

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4 0
3 years ago
An oval track is made by erecting semicircles on each end of a 60m by 120m rectangle. Find the length of the track and the area
vodomira [7]
Refer to the figure shown below.

Because the question states that the semi circles are at the ends of the rectangle, each semicircle has a radius of 30 m.

The circumference of the oval is
2π(30) + 2*120 = 60π + 240 m = 428.5 m

The area of the oval is 
π(30²) + 60*120 = 900π + 7200 m² = 1.0027 x 10⁴ m²

Note:
If the semi circles are placed on the 120-m sides of the rectangle, then similar calculations yield:
Circumference = 120π + 120 m = 497 m
Area = 3600π + 7200 m² = 1.851 x 10⁴ m²

Answer:
If the semi circles are placed on the 60-m sides of the rectangle, then
Circumference = 60π + 240 m, or 428.5 m
Area = 900π + 7200 m², or 1.0027 x 10⁴ m²

if the semi circles are placed on the 120-m sides of the rectangle, then
Circumference = 120π + 120 m, or 497 m
Area = 3600π + 7500 m², or 1.851 x 10⁴ m²


3 0
3 years ago
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