I hope I helped you^_^
Answer:
1. 3217
x 56
_____________
19302
160850
__________
108152
2. 5690
x 27
_________
39830
113800
153630
3. 213
43
___________
639
8520
________
9159
Step-by-step explanation:
ok what
84 cm^2
The area of a triangle is
A = 1/2 bh where b is the length of the base and h is the height
A = 1/2 ( 5+9) * 12
A = 1/2 (14) * 12
A =84