Answer:
the first two answers are perpendicular
7x-x=19-7
6x=12
x=2
Ask me if you have a question. Glad to help!! :))
All you do is use the a+b=c formula lets plug it in
15+b=35
15+20=35
35=35
The answer is 20
Answer:
864
Step-by-step explanation:
AT= 2Area base+ph
AT= 2(12*12) +(12*4)12
AT=2 (144)+576
AT= 288+576
AT=864"