It equals 169
Anyways thanks for points
Well if the room is square then you ned to find the square root of the area.
Find 
The answer is;
Flame test is a qualitative test".
Flame test is performed for detecting metals in a compound and metals are detected by the color of the flame, and flame color identifies that which metal is this. so this is a qualitative test, different types of metals shows different color of flames.
X = 36
because angle 108 = 3x
3 x 36 = 108
hope it makes sense, if you have any questions let me know
The slope of AB is also -5. This is because parallel lines have equal slopes.
