Question

concept map of practical geometry​

Answer 1

Step-by-step explanation:

Given:

Height =1 m, radius =

2

140

=70 cm=0.7 m

Area of sheet required = Total surface area of tank

=2πr(r+h)

=2×

7

22

×0.7(1+0.7)m

2

=7.48 m

2

Answer 2

70 cm and need more points to answer