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The expression
(1)/(2)bh gives the area of a triangle where
b is the base of the triangle and
h is the height of the triangle.
What is the area of a triangle with a base of
7cm and a height of
4cm ?

cm^(2)

The expression $\frac{1}{2} b h$ gives the area of a triangle where $b$ is the base of the triangle and $h$ is the height of the triangle. $\newline$ What is the area of a triangle with a base of $7 \mathrm{~cm}$ and a height of $4 \mathrm{~cm}$ ? $\newline$ $\mathrm{cm}^{2}$

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Convert an explicit formula to a recursive formula

Full solution

Q. The expression

\frac{1}{2} b h

gives the area of a triangle where

b

is the base of the triangle and

h

is the height of the triangle.

\newline

What is the area of a triangle with a base of

7 \mathrm{~cm}

and a height of

4 \mathrm{~cm}

?

\newline

\mathrm{cm}^{2}

Substitute values into formula: The formula for the area of a triangle is given by $A = (\frac{1}{2})bh$ , where $b$ is the base and $h$ is the height of the triangle. We need to substitute the given values for $b$ and $h$ into this formula. $\newline$ Calculation: $A = (\frac{1}{2}) \times 7\,\text{cm} \times 4\,\text{cm}$
Perform multiplication: Now we perform the multiplication to find the area. $\newline$ Calculation: $A = (\frac{1}{2}) \times 7 \times 4 = (\frac{1}{2}) \times 28 = 14$
Find the area: The area of the triangle is $14$ square centimeters, which is written as $14\,\text{cm}^2$ .

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