10 . I n a t r i a n g l e , t h e a v e r a g e o f a n y t w o s i d e s i s 6 c m m o r e t h a n h a l f o f t h e t h i r d s i d e , t h e n f i n d t h e a r e a o f t h e t r i a n g l e i n s q . c m A 64 3 B 48 3 C 72 3 D 36 3 Share with your friends Share 0 Varun Rawat answered this Let a, b and c be the sides of ∆.Now, a+b2 = c2 + 6⇒a + b = c + 12 ......1Now, b+c2 = a2+6⇒b+c = a+12 .....2Now, c+a2 = b2 + 6 ⇒c+a = b+12 ......3Solving 1, 2 and 3, we geta = b = c = 12 cmNow, semiperimeter, s = a+b+c2 = 12+12+122 = 18 cmNow, area = ss-as-bs-c=1818-1218-1218-12=18×6×6×6=363 cm2 1 View Full Answer Sawant Guru answered this Please find this answer 1