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11 votes
Help me plas plas please

Help me plas plas please-example-1
User BigSN
by
3.3k points

1 Answer

10 votes

using pythagoras theorem ( to understand the theorem have a look at the photo attached)

let the unkown length be y

7² + y ² =12.21²

49 + y²= 149.08

y² = 149.08 - 49

y² approximately = 100

y = 10

hope you understood: )

Help me plas plas please-example-1
User Wdavo
by
3.1k points