Area, SM-Bank 100

Calculate the area of the following triangles.

(2 marks)

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(2 marks)

--- 4 WORK AREA LINES (style=lined) ---
(2 marks)

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Show Answers Only

a. \(87.42\ \text{m}^2\)

b. \(1995\ \text{mm}^2\)

c. \(6650\ \text{m}^2\ \text{or}\ 0.665\ \text{m}^2\)

Show Worked Solution

a.	\(\text{Area}\)	\(=\dfrac{1}{2}\times bh\)
		\(=\dfrac{1}{2}\times 12.4\times 14.1\)
		\(=87.42\ \text{m}^2\)

b.	\(\text{Area}\)	\(=\dfrac{1}{2}\times bh\)
		\(=\dfrac{1}{2}\times 42\times 95\)
		\(=1995\ \text{mm}^2\)

c.	\(\text{Area in (cm)}^2\)	\(=\dfrac{1}{2}\times bh\)
		\(=\dfrac{1}{2}\times 95\times 140\)
		\(=6650\ \text{cm}^2\)
	\(\text{Area in (m)}^2\)	\(=\dfrac{1}{2}\times 0.95\times 1.40\)
		\(=0.665\ \text{m}^2\)