What is the value of a rectangular plot of land 75.5 m long and 30.5 m broad at the rate of Rs 1000 per square metre ?
Answer
Area of the rectangular plot = length × breadth = 75.5 × 30.5 = 2302.75 sq. m. Value of the plot = area of the plot × rate per square metre = 2302.75 × 1000 = Rs 230275 ∴ The value of the plot is Rs 23,02,750.
What is the area of a triangle with base 4.8 cm and height 3.6 cm ?
Answer
Area of triangle $=\frac{1}{2} \times$ base $\times$ height $ \begin{aligned} & =\frac{1}{2} \times 4.8 \times 3.6 \\ & =\frac{1}{2} \times 17.28 \\ & =8.64 \text { sq. } cm . \end{aligned} $ $\therefore$ The area of the triangle is 8.64 sq. cm.