Answer:
Mitochondria is the powerhouse of the cell
Step-by-step explanation:
Oh, I remember this one. Here's this if you need it, if it doesn't help then let me know.
51 ft is the answer
Explanation
The hight of the man divided by the hight of school ( which is unknown )
Equal
The length of the shadow of the man divided by the shadow of the school
Cross multiplication and find the value of unknown x which is 51... and ya
sin(4π21). Explanation: Notice that this fits the form of the sine subtraction formula: sin(A−B)=sin(A)cos(B)−cos(A)sin(B).