Answer:
15
Step-by-step explanation:
There are two triangles (top and bottom) and 3 rectangles.
the area of the three rectangles is 10*12+10*9+10*7=280
Area of each triangle: 1/2 of 12*5=30
area of two triangles: 30+30=60
Total surface area: 280+60=340 m²
Answer:
Im thinking naval bases, you didnt provide enough info. Hope this answer is correct!
Answer: = 126
Step-by-step explanation:
(5+3+6) * 9
14 * 9
= 126