Q. Which Quad. has all the angles and sides are equal? Q. Which is the value of 19+(-25) Q. What is the value of x in the equ. x+4 =0 ? Share with your friends Share 0 Varun Rawat answered this 1. Square2. 19 + -25=19 - 25=-63.x + 4 = 0⇒x = -4 0 View Full Answer