What is the name of the symbols which is marked by green circle in ques no 3 ? Please try ro give it fast

What is the name of the symbols which is marked by green circle in ques no 3 ? Please try ro give it fast duce to the 4. Join AO and AB is a C on circle. diameter and measure it. How EXGCtSE 12.10 L a circle of radius 4.2 cm. radii CX and protractor xy zcxy and L with length cm A as centre and circle. Witt centre and radius 2.5 cm. draw another cu•cle. In s Intersect each other? TA-e 6 cm. With P and Q as centres. draw circles with each other at A and B, IS All _L t 'Q? rcJe with centre C', take: points P anci Q on the circle such that c. Join CP and CT), Measure ZPCQ. Is APCQ an equiangular To Draw a Line Segment of Given Length and pcngif 1 a "ne 01' lcngth 4.2