Which equation can be used to calculate the area of the shaded triangle in the figure below?

Mathematics

1 answer:

GrogVix [38]1 year ago

3 0

Answer:

It is $\frac{1}{2}$ (12 × 4) = 24

Step-by-step explanation:

$\frac{1}{2}$ (base × height) = area of triangle

$\frac{1}{2}$ (12 × 4) = area

area = 24

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What’s the correct answer for this ? The traffic light is approximately _____ feet tall

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Answer:

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Step-by-step explanation:

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The diameter of a circle is 16 kilometers. Find the area of the circle.

Elden [556K]

The diameter of a circle is 16 kilometers. Then the area of the circle is $201.062 \mathrm{km}^{2}$

Solution:

Given that , the diameter of a circle is 16 kilometers

We have to find the area of the circle .

Radius is half of diameter.

$\begin{array}{l}{\text { diameter }=2 \times \text { radius } \rightarrow \text { radius }=\frac{\text {diameter}}{2}} \\\\ {\rightarrow \text { radius }=\frac{16}{2} \rightarrow \text { radius }=8 \text { kilometers. }}\end{array}$

The area of circle is given as:

$\begin{array}{l}{\text { area of a circle }=\pi \times r^2 \\ {\text { Area of a circle }=\pi \times 8^{2}=\pi \times 64=64 \times 3.14=201.062}\end{array}$