Question

I)If the area of triangle is 1200 sq m and its length is 60 m , find the breadth . ( 2 marks )

II) If the perimeter of square is 40 cm , then find the area

Answer 1

Answer:

$l \times b = 1200 \\ 60 \times b = 1200 \\ b = \frac{1200}{60} \\ b = 20m \\ \\ \\ p = 4x \\ 40 = 4x \\ \frac{40}{4} = x \\ 10 = x$

Area =10×10

Area=100cm^2

Answer 2

Answer:

$Answer:</p><p></p><p>\begin{gathered}l \times b = 1200 \\ 60 \times b = 1200 \\ b = \frac{1200}{60} \\ b = 20m \\ \\ \\ p = 4x \\ 40 = 4x \\ \frac{40}{4} = x \\ 10 = x\end{gathered}l×b=120060×b=1200b=601200b=20mp=4x40=4x440=x10=x</p><p></p><p>Area =10×10</p><p></p><p>Area=100cm^2</p><p></p><p>$

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