Add 2 to both sides
11+2 = 13
m=13
Answer:
380
Step-by-step explanation:
640/2=320
320-60=260
640-260=380
Answer:
Step-by-step explanation:
1: find the perpendicular gradient - this is the negative reciprocal of the original gradient:
2: Substitute in the coordinate to find the value of c:
3: Put it all together:
Answer:
29622 m^2
Step-by-step explanation:
SA = 2 ( lw+ wh+ lh) where l = length w = width h = height
SA = 2 ( 81*75+ 75* 56+ 81*56)
= 2 (6075+4200+4536)
= 2(14811)
29622