Ahh, i can see youre doing some programming. In C++ this output is -10
So -10
Um we need to see the diagram in order to answer this question sorry...but have a good day :)
Diameter of semicircle is 4 cm
so cicumference of circle is 4pi
since there are 4 semicircles, they add up to 2 circles
so total perimeter is 8pi
which when rounded off is 25.13 cm (2d. p.)
ASA we need a second angle that is next to the side
SAS we need a side next to the angle
Choice B