390/6=65
65x10+650
650 is your answer
hope this helps
Answer:
answer is 3 1/2
Step-by-step explanation:
Answer: I think 2 4/39
Step-by-step explanation: not sure sorry if i get it wrong
Answer:
B
Step-by-step explanation:
The side you have drawn in is 4√3 (calculate via pythagoras as √(8²-4²) = √48 = √16·3 = √4²·3 = 4√3)
So the area of the small triangle is 4*2√3 and the area of the small rectangle is 2*4√3. Together makes 4*2√3 + 2*4√3 = 16√3