Find the area of the shaded portion if AB and AC are two equal chords
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Step-by-step explanation:
By pythagoras theorem
AC^2 = AB^2 + BC^2
= 32
AC = root32
= 4root2
since AC is the diameter of the circle
area of semicircle = 22/7 × 2root2^2
= 22/7 × 8
= 176 /7
area of triangle = 1/2 × 4 ×4
= 8 cm^2
area of shaded region = 176/7 - 8
= 176-56/7
= 120/7
= 17.14 cm^2
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