First let's find height of triangle 🔺️ using pythagorus theorem 17²= height²+8² 17²-8² = height² Height = square root of 225= 15cm Area of shaded is area of 🔺️ - area of 🔴 = 1/2bh - 19 = 1/2×15×8 - 19 = 60-19 = 41cm² Correct answer is C ❤️