Question

fast solv this
plz dont say any thing only answer​

Answer 1

Answer:

318.8 cm²

Step-by-step explanation:

S = (16 + 52 + 48) /2= 58

Area of triangle ABC

= √{s (s-a) (s-b) (s-c) }

= √(58 × 42× 6× 10)

= 12√1015 cm²

In triangle ABD

AD² + BD² = AB²

12² + BD² = 16²

BD² = 16² - 12²

BD² = 112

BD = 4√7

Area of triangle ABD = 1/2 × 4√7 × 12

= 24√7 cm²

Area excluding ABD triangle = 12√1015 - 24√7

= 382.30 - 63.5 = 318.8 cm²

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