Answer:
x = 12.2
Step-by-step explanation:
sin theta = opp / hypotenuse
sin 55 = 10 /x
Multiply each side by x
x sin 55 = 10
Divide each side by sin 55
x = 10 / sin 55
x =12.20774589
Rounding to the nearest tenth
4.71cm
C 3 cm per present
1 = 3cm
2 = 6cm
3 = 9cm
L=W+8
(W+8)W=105
W^2+8W=105
W^2+8W-105=0
(W+15)(W-7)=0
W-7=0
