" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
15²-5²=x²
225-25=x²
x=√200
x=10√2
a wiec
jedna przekątna ma 10, a druga 20√2
P=½*10*20√2=100√2
60=4a /:4
15=a
5²+x²=15²
25+x²=225
x²=200 /√
x=√100*2=10√2
P=e*f/2
P=20√2 * 10
P≈283