1. A man goes 7m east and then 24m to south. Find the distance from he starting point?

2.the squareof diagonal of a square is 1250cm. Find the lengthof the sides of a square?

Hi!
We are happy to see the interest you are showing towards this section! Thank you for your response. However, due to a paucity of time we will not be able to immediately answer all your queries. We are providing the answer to question (1).  You can try answering the question (2) using Pythagoras theorem and get back to us. We’ll be happy to give you feedback for your answers.
 
The given information can be represented using a figure as

 
Here, A and C are the position of the man at the starting point at ending point and AC is the distance between the starting and ending points.
Using Pythagoras theorem in ∆ABC
AC2 = AB2 + BC2
⇒ AC2 = (7 cm)2 + (24 m)2 = (49 + 576) m2 = 625 m2 = (25 m)2
⇒ AC = 25 m
Thus, the required distance is 25 m
 
Cheers!

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