Question

1. a round sea turtle egg measures about 0.5 cm in diameter. what is the surface area of an sea turtle’s egg in square centimeters? 0.196 0.785 3.140 0.250

Explanation:

Step1: Recall the formula for the surface area of a sphere

The surface area \( S \) of a sphere is given by the formula \( S = 4\pi r^2 \), where \( r \) is the radius of the sphere.

Step2: Find the radius of the sea turtle egg

The diameter \( d \) of the egg is \( 0.5 \) cm. The radius \( r \) is half of the diameter, so \( r=\frac{d}{2}=\frac{0.5}{2} = 0.25 \) cm.

Step3: Substitute the radius into the surface area formula

Substitute \( r = 0.25 \) cm into the formula \( S = 4\pi r^2 \). We know that \( \pi\approx3.14 \), so:

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Answer:

0.785