678/5 = 135
135 is the whole number, now we need to find the remainder.
135*5 = 675
678 - 675 = 3
Our remainder is 3.
Answer: 135 with a remainder of 3.
AREA OF A SECTOR =1/2(Ф.R²). Note that R = Diameter/2
AREA OF A SECTOR =1/2(170°).(9.1)/2) =386.75 cm²
Use double angle identity

We can relate '6x' to '3x' in the same way since 6 is 2*3.

Now sub into left side of identity. Simplify until it equals right side.
Answer:‘12.92
Step-by-step explanation:
Answer:
A
Step-by-step explanation: