Answer:
The length of the third side is 7.81 inches and the perimeter of the triangle is about 18.81 inches
Step-by-step explanation:
4:7
8 : 14
8/2 : 14/2
= 4 : 7
5√3 / 2
tan 30 = ( 5 / 2 ) / y
1 / √3 = 5 / 2y
2y = 5√3
y = 5√3 / 2
Answer: D-$2.50
Step-by-step explanation: 15 divided by 6 is 2.5
