Question

d. triangle diagram: base 16 km, height 9 km area = ______ find the area of a triangle using th g. b = 14 meters h = 20 meters

Explanation:

Part d:

Step1: Recall triangle area formula

The formula for the area of a triangle is \( A=\frac{1}{2}\times base\times height \). Here, the base \( b = 16\space km \) and the height \( h=9\space km \).

Step2: Substitute values into formula

Substitute \( b = 16 \) and \( h = 9 \) into the formula: \( A=\frac{1}{2}\times16\times9 \).
First, calculate \( \frac{1}{2}\times16 = 8 \), then multiply by 9: \( 8\times9 = 72 \).

Step1: Recall triangle area formula

The formula for the area of a triangle is \( A=\frac{1}{2}\times base\times height \). Here, the base \( b = 14\space meters \) and the height \( h = 20\space meters \).

Step2: Substitute values into formula

Substitute \( b = 14 \) and \( h = 20 \) into the formula: \( A=\frac{1}{2}\times14\times20 \).
First, calculate \( \frac{1}{2}\times14 = 7 \), then multiply by 20: \( 7\times20 = 140 \).

Answer:

\( 72\space km^2 \)

Part g: