Question

Can someone help me with these practice problems?

Answer 1

@TheSmartOne @perl @SolomonZelman @phi @johnweldon1993

Answer 2

I got approx 10.4 for the first one. is that correct? @mathstudent55

Answer 3

@Nnesha

Answer 4

yes

Answer 5

I have no idea how to do the second one tho.

Answer 6

ohh no i didn't mean yes your answer right
you said @nnesha
so i saind yes sir mam

Answer 7

so..my answer is incorrect...?

Answer 8

let me check

Answer 9

@Nnesha ...?

Answer 10

ok so do you know LAW OF COSINES

Answer 11

yes....is my first answer correct...?

Answer 12

\(\Huge\tt \begin{align} \color{black}{\checkmark}\end{align}\)

Answer 13

for 2nd use heron's formuala
http://www.mathsisfun.com/geometry/herons-formula.html

Answer 14

Thanks @mathmath333