Question

Pls help if u do urrr the best!!

Answer 1

The answer is 2.6 I think

Answer 2

2.6

Explanation:

we know by Pythagoras theorem that

`a^2+b^2=c^2`

so for our triangle we have

`a=6\\\\b=b\\\\c=7\\\\\\\\6^2+b^2=7^2\\\\b^2=7^2-6^2\\\\b^2=(7-6)(7+6)\\\\b^2=1(13)\\\\b=√(13)\\\\b\approx 2.6`