Answer:
44.5
Step-by-step explanation:
area of rectangle : w*l=3*9=27
area trianle= (height*base)/2= (5*7)/2=35/2=17.5
27+17.5=44.5
In this case, you aren't going to get an integer for the value of a, but you can rearrange the equation to equal a.
4a-3=D add 3 to both sides
4a=D+3 divide both sides by 4
a=(D+3)/4 here's your answer
I typed right on the problem set.
To find the area of this rectangle you multiply the length by the width, like so (x+2) x (2x+5) .
To find the perimeter of this rectangle you add all the sides using this equation,
(x+2)+(x+2)+(2x+5)+(2x+5) .
