Question 9 of 26
If the rectangle below has an area of \( 40 \mathrm{sq} \). units, what is the area of the triangle?
A. \( 40 \mathrm{sq} \). units
B. 28 sq. units
C. 14 sq. units
D. 20 sq. units

Answer

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Answer

Area of Triangle = \(\frac{1}{2}lw = \frac{1}{2}(40) = 20 \mathrm{sq} \). units

Steps

Step 1 ：Let the length of the rectangle be \(l\) and the width be \(w\).

Step 2 ：Area of Rectangle = \(l \times w = 40\).

Step 3 ：Area of Triangle = \(\frac{1}{2}lw = \frac{1}{2}(40) = 20 \mathrm{sq} \). units