You could use the Pythagorean theorem which is a squared +b squared= c squared
you know a and c
a=24
c=25
24 squared + x squared = 25 squared
576+x squared =625
subtract 576 from both sides
x squared = 49
square root x and 49
x=7
C is the answer
The numbers that are divisible by 1 and the number itself is called a prime number. Eg: 1,2,3,5,7,11,13,17,19
Any integer's sum and the reverse is equal to zero. You can add two positive integers the result will always be a positive sum, including two negative whole numbers dependable yields a negative aggregate. To discover the whole of a positive and a negative number, take the outright estimation of every number and after that subtract these qualities.
<span>Regular reflection
1) After reflection rays are parallel.
2) It obeys law of reflection
3) Surface used for reflection is smooth.
Irregular Reflection
1) After the reflection rays are not parallel.
2) It does not obey law of reflection.
3) Surface used for reflection is rough.
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29/3=9.66
9.66^2=93.31
But 93.31>83
Therefore the student was wrong
