Question

II. The base of an isosceles triangular lawn is 16 cm and equal sides are 17 cm each. Find
the cost of paving it at the rate of ₹2.50 per square metre.​

Answer 1

Answer:

Step-by-step explanation:

perimeter = 17+17+16 =50

paving=50 * 2.50 = 125 rupees

Answer 2

Answer:

base=16cm

equal side=17cm

area of isosceles triangle =b/4square root 4×a square -b square

16/4 square root 4×17square-16square

4square root(1156-256)

4square root300

4×30=120sqcm

cost of paving 1sqcm=Rs2.50

cost of paving 120sqcm=120×2.50

=Rs300