4 years ago

Nearest Integer of the square root of -61?

1 answer:

8 0

You cannot take the square root of a negative number and get a real number answer. You can only get an imaginary root.

square root of 49 = 7 and square root of 64 = 8
square root of 61 is between 7 and 8.
It would be closer to 8.

square root of -49 = 7i and square root of -64 = 8i
square root of -61 would be closer to 8i

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kumpel [21]

Answer:

26.17 cm²

Step-by-step explanation:

Applying,

A = πr²∅/360................. Equation 1

Where A = Area of the sector, r = radius of the circle the sector was formed from, ∅ = angle subtends by the sector at the center of the circle , π = pie.

From the question,

Given: r = 5 cm, ∅ = 120°, π = 3.14

Substitute these values into equation 1

A = 3.14(5²)(120)/360

A = 26.17 cm²

Hence the area of the sector is 26.17 cm²

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Step-by-step explanation: