A town clock has a minute hand that is 1.5 meters long and an hour hand that is 1.2 meters long. What is the approximate distance in meters between the ends of the hands at 9 o'clock?

2.3
1.9
0.9
0.3

can someone get me the answer? thanks

8 answers

Treat as a trig. problem. At 9 o clock you would have a triangle with a 90 degree angle so (1.5)^2 + (1.2)^2 = C^2 solve for C
It is also known as the Pythagorean theorem, which can be used for any right (90 degree) triangle.
And how would that help the ppls who dont understand that stuff?
guys the equation is 1.5^2+1.2^2
whenever a number has "^2" after it that means you have to multiply the number by itself. So 1.5x1.5= 2.25 and 1.2^2= 1.44. Then next you have to add the answers. 2.25+1.44= 3.69. Then next what you wanna do is find the root of the number. To find the root you just find what 2 numbers multiplied equal your first number. For example. The root of 64 is 8 because 8x8= 64.
anyway. The root of 3.69 is 1.92093727 because 1.92093727x1.92093727=3.69
so now you just round the answer. So your answer is 1.9.
Hope this helped lol
THANKS SO MUCH
1.9 it is sonny bit.
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