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1.A park, in the shape of a quadrilateral ABCD, has 2 C = 90°, AB = 9 m, BC = 12CD = 5 mand AD = 8 m. How much area does it occupy?DAL |
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Answer» Given: ∠C = 90˚, AB = 9m, BC = 12 m, CD = 5m and AD = 8m.To Find: Area of quadrilateral ABCD.Concept Used:If sides of a triangle are a, b, and c, then area of a triangle is given by: Where s = semiperimeter of the triangle Area of a right-angled triangle Diagram: Explanation:Area of park = Area of ΔBCD + Area of ΔABDΔBCD is a right-angled triangle. Therefore,Area of ΔBCD = 1/2 × 12 × 5 m2 = 30 m2InΔ ABD, we have2s = 9 + 8 + 13 = 30 ⇒ s = 15 ∴ = 6√35 m2Area of park = (30 + 6√35) cm2Hence, the area of the park is (30 + 6√35) cm2. answer ask from school teacher 65.4cm2 is the most correct answer 65.4cm2 is the right answer 96 is a answer of this question 65.4 is the correct answer 65.4cm2 is the most correct answer 65.4 is the correct answer 65 is the best ansewr 65.4 is the best answer 56 meter square units 56 meter square units (30+√35)cm2 is the correct answer 65.4 is the correct answer (30+√35)cm.^2 is correct answer hiiiiiiiiiii friend nice question area of park is (30+6√35)cm2 65.4 cm2 is this is answer Hence, the area of the park is (30+6√35)cm2 pata nahin kya hai iska answer bhai 65.4 is the correct answer 65.4cm2 is the answer Let side be 'a'volume of a cube=a*3a*3 =4913a= cube root of 4913=17cm please like me do as best me i work very hard thanks |
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