84, first you multiply and divide then you add
First you have to set up your equation. 5x+80 and x+15.
Answer:
30 square millimeters
Step-by-step explanation:
3 x 3 = 9
3 x 1 = 3
there are two sides with the area 9 therefore...
9 x 2 = 18
There are four sides with the area 3 therefore...
3 x 4 = 12
Therefore the suface area is
12 + 18 = 30
Answer:
11.18
Step by Step Explanation:
Subtract 9.5 from 21.23
The angle to the left of angle 1 is 70, so angle 1 is equal to 180 - 70 - 70 which is 40,
