I need help on this 38 points and giving brainliest if it’s right. It is due in 15 minutes plsss help

it should be 10cm

Step-by-step explanation:

It says it right in the box length

Step-by-step

ok...i can give u ur answer if u can tell me what the length of the box is

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

sas (side angle side)

aa(angle angle)

sss(side side side)

sas you have to find two sides with an angle in between

aa you find two angles because it will always add up to 180

sss find all sides

step-by-step explanation: