Question

1. the area of a square is(100) CM2 . find its perimeter. 2. divide x3-2x+8-x2 by x+2. 3. factories (i)x2-18x40,(ii)a2-10a-75. 4. If 3/4(n+1) and 2/3+1 are equal, find the value of n. 5. find the value of x idc x°,(2×+13°),(3×+10°) and(x-6°) are all the angles of a quadrilateral? ​

Answer 1

Answer:

1. the perimeter of the square will be 40 cm.

I don't know second answer