## Geometry: Common Core (15th Edition)

Perimeter is $20\ in$. Area is $21\ in^2$.
base(b)= 3 in height (h) = 7 in Use the formula for perimeter, and substitute the given values. $P=2b+2h=2(3)+2(7)=6+14=20$ Use the formula for area and substitute the given values. $A=bh=(3)(7)=21$