Answer:
(1-2) LS = 288cm² TS = 378cm²
(3-4) LS = 1419.2 TS = 1673.5
(5) LS = 543 TS = 606
Step-by-step explanation:
(1-2)
7 1/2 = 7.5
7.5 x 15 = 112.5
9 x 12 ➗ 2 = 54
54 x 2 = 108
9 x 7.5 = 67 .5
(3-4)
3.14 x 81 = 254.3
(5)
9 x 15 = 135 x 2 = 270
15 x 7 = 105 x 2 = 210
9 x 7 = 63
(add)
Rearrange to get x on its own on one side of the equation:
x = 57 - 11
x = 46
Answer:
Step-by-step explanation:
A, D and F
For lines to be perpendicular they would need to have opposite slopes, so for a slope of -3/7 the slope of a perpendicular line would be 7/3
If you had a pic I could answer
