Math Snap

STEP 1

Assumptions1. The area of a triangle is given by the formula $A = \frac{1}{}gh$, where $g$ is the base and $h$ is the height.
. The base and height of the triangles are given in the problem.
3. The area of a circle is given by the formula A = \pi r^, where $r$ is the radius and $\pi$ is approximately3.14159, but in this problem, we are told to use $\pi =3$.

STEP 2

First, let's calculate the area of the first triangle. We can do this by plugging the given values for the base and height into the formula for the area of a triangle.
$$A = \frac{1}{2}gh$$

STEP 3

Now, plug in the given values for the base and height to calculate the area of the first triangle.
$$A = \frac{1}{2} \times3 \times$$

STEP 4

Calculate the area of the first triangle.
$$A = \frac{1}{2} \times3 \times4 =6$$

STEP 5

Repeat steps2-4 for the remaining triangles, plugging in the given values for the base and height for each triangle.
For the second triangle$$A = \frac{1}{2} \times2 \times4 =4$$For the third triangle$$A = \frac{1}{2} \times8 \times4 =16$$For the fourth triangle$$A = \frac{1}{2} \times10 \times2 =10$$

The areas of the triangles are as followsa)6b)4c)16d)10