Answer:
1. (28-2)x
2.(12+6)x
3.(15+1)x
Step-by-step explanation:
Let the length of one of the diagonals be 2x and the other be 2y, then
cos (76/2) = x/10
x = 10 cos 38 = 7.88 cm
sin (76/2) = y/10
y = 10 sin 38 = 6.16 cm
Answer:
4.1 and 4.2
Step-by-step explanation:
or 4 and 5
Answer:
11.9
Step-by-step explanation:
The tenth place is the first decimal. You round down from 1-4 and up from 5-9, so round up.
11.9