Answer:
You are looking for the arc sine of 55 degrees???
and then you will multiply it by 25 an divide it by 18???
Here's an online trig calculator:
https://www.1728.org/trigcalc.htm
Step-by-step explanation:
Answer: #4
Step-by-step explanation: the | | around the negative 4 is what's called an "absolute value" sign, which basically means 4
Answer:
what i need to do?
Step-by-step explanation:
Answer:
area= l×b or b^2 or l^2 = 16900
to get one side length of the square take root of area i.e

=130 cm is length of the base