right isosceles
rs:34&rs=rt+st
rt:17
st:17
ab=[(x(a)-x(b))+(y(a)+y(b))]
7cm each. reason: the rod of 21cm lenght will be cut into 3pieces of 7cm each, while that of 14cm will be cut into 2 pieces of 7cm each. Therefore, there 5 pieces of rods of 7cm each. Thanks.
I can’t see it sry buddy :((
It is the answer number 2
