Math Puzzles with Answers in 60 seconds – Can you find X° ?
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VERY SIMPLE PROBLEM SIR G
S = (a+b+c)÷2 = (7+13+8)÷2= 14
AREA OF TRIANGLE = Sqrt [S(S-A)(S-B)(S-C)]
= Sqrt [14(14-7)(14-13)(14-8)]
= Sqrt [14x7x6] = 14 Sqrt( 3) … (1)
Area of Triangle =( 1/2 ) × 7 × 13 × SinC …… (2)
SinC = 0.5329
C = 32 degree
INDER PREET SINGH RAMGHAIYA