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erica [24]
3 years ago
6

What is the area of a triangle with sides 8 and 10 cm long

Mathematics
2 answers:
7nadin3 [17]3 years ago
7 0

Answer:

40 cm

Step-by-step explanation:

Can I have brainliest?

kati45 [8]3 years ago
5 0

Answer:

40cm²

Step-by-step explanation:

To solve this, you need to use the formula:

Area = (base x height) ÷ 2

So,

Area = (8 x 10) ÷ 2

Area = 80 ÷ 2

Area = 40cm²

Hope this helps! :)

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The circumference of the inner circle is 44 ft. The distance between the inner circle and the outer circle is 3 ft. By how many
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Answer: 18.86 feet

Step-by-step explanation:

The formula for determining the circumference of a circle is expressed as

Circumference = πD

Where D represents the diameter of the circle.

The circumference of the inner circle is 44 ft. It means that

22/7 × D = 44

22D = 7 × 44 = 308

D = 308/22

D = 14 ft

The distance between the inner circle and the outer circle is 3 ft. This means that the diameter of the outer circle would be

14 + 3 + 3 = 20 ft

Circumference of the outer circle is

22/7 × 20 = 62.86 ft

The number of feet by which the circumference of outer circle is greater than the circumference of the inner circle is

62.86 - 44 = 18.86 feet

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