Answer:78.909899
Step-by-step explanation:
90.09
72 square units.
10 x 12= 120
6 x 8 = 48
120 - 48 = 72.
Hope this helps. :)
Answer:
Area = 
Step-by-step explanation:
A=a+b
2h=13+13
2·12=156cm²
I hope this helps you :)
Answer:
Step-by-step explanation:
The angle of a line is 180 degrees. A right angle is 90 degrees, and the given angle is 55 degrees. All you have to do is add 90 and 55, and subtract that sum from 180.