Question

find each unknown area A cm² by pythagoras theorm​

Answer 1

Answer:

A) In∆ ABC

AB^2+BC^2=AC^2

60^2+42^2=AC^2

3600+1764=AC^2

5364=AC^2

73.23=AC

B)

AC^2=AB^2+BC^2

25^2=16^2+BC^2

625=256+BC^2

625-256=BC^2

369=bC^2

19.2=BC