Answer:
366 square inches
Step-by-step explanation:
Surface Area Formula:
A= 2( w*l + h*l + h*w)
So you substitute the numbers:
A= 2(3*9 + 13*9 + 13*3)
A= 2( 27+ 117 + 39)
A= 54+234+78
A= 366 square inches
There you go :)
-1/30
find the lcm of 10 and 15
then solve it
Answer:61.4
Perimeter = 180
Area = 1080
Perimeter is length of all sides added together. 30+78+72 = 180
Area is the length times the height/2 for a triangle. 30*72/2 = 1080
I hope this helped <3
132000
do you understand it
