When solving the question a point is not clear that is when it.is.written the herons formula.of both.the conditionsthat is.marked in the second photo.== the third point please tell how?,? Share with your friends Share 0 Amit Shukla answered this Dear Student, Starting from the questioned step,△'=2s(2s-2a)2s-2b2s-2cif we take 2 common from each of the brackets inside the squareroot then,△'=2×2×2×2ss-as-bs-c△'=24s-as-bs-c△'=22s-as-bs-c (As, 24 = 22=4)△'=4△ As we know, s-as-bs-c=△ This is how it has came. Hope, you will find this answer helpful. 1 View Full Answer Vijay Kiran .r answered this as it is half we have taken 2 by all 2 *2 we got 4 hope you found it helpfully 1
