Question

Explain the Pythagoras Theorem by the given triangle andd it's angles​

Answer 1

Answer:

formula for pythagoras theorem =  a^2 + b^2=y^2

therefore a= 20

b=21

y we need to find so  

400+441=y^2

841=y^2

y=29

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Step-by-step explanation:

Answer 2

Answer: Here's the explanation....

Step-by-step explanation: PR²=PQ²+QR²

That means...

y²=20²+21²

=> y =√20+21

=>y = √41 = 6.40312424...

Thanks .....plz give me brainliest