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MatroZZZ [7]
4 years ago
15

What is the value of x? 1 4.2 8.4 4.2√2

Mathematics
1 answer:
Pavel [41]4 years ago
4 0

Answer: 8.4

Step-by-step explanation:

Tan=\frac{opposite}{adjacent}

o=Tan*a\\o=tan(45)*4.2\\o=6.8

Now use the pythagoream's theorem.

c^2=a^2+b^2\\c=\sqrt[]{a^2+b^2}\\c=\sqrt[]{(6.8)^2+(4.2)^2}\\ c=\sqrt[]{46.24+17.64}\\c=\sqrt[]{63.88}\\ c=7.99\\c=8

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Answer:

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Step-by-step explanation:

Circumference: This is defined as the distance around a circle.

The circumference of a circle is

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Where p = circumference of the circle, d = diameter of the circle

Area: This is the region bounded by a plane surface.

The area of a circle is

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Given: d = 2 yd.

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Substituting these values into equation 1 and 2 respectively.

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