Answer
4000
900
0
7
Step-by-step explanation:
Not so sure about the answer though
Answer:
5√3 / 2
tan 30 = ( 5 / 2 ) / y
1 / √3 = 5 / 2y
2y = 5√3
y = 5√3 / 2
12
4 times 8 =32, 32 - 20= 12