Answer:
96
Step-by-step explanation:
A=Area
Using the formulas

Solving for A



5400 is ur answer .
ans: 5400 is the surface area
Answer:
h = 197
Step-by-step explanation:
add 14 to each side, and h = 197
Angle ABD=87 degrees
angle ABC+angle CBD= angle ABD
Therefore, 9x-1+6x+58=87
15x+57=87
15x=87-57
15x=30
x=30/15
x=2
Angle ABC= 9x-1
=9(2)-1
=18-1
=17 degrees