Question

A rectangular plyeood measure 2.1 m by 70cm..Circular discs are to be cut out from the plywood ofdiameter 14cm.How many discs cab be cit and how mu h plywood will be left?

Answer 1

First convert 2.1 m into cm(2.1×100cm=210cm) and find the area (210×70 sq cm) now find the area of the circle (22/7 ×14/2×14/2) that gives 22/7× 7×7 sq cm
Then divide the area of the plywood by area of the circle.. The answer is the number of discs that can be cut and the remaining wood= area of the wood-area of discs

Answer 2

Answer:

write down this answer clearly