Question

diagonals is 10 cm long, find the length of the ule uldbund,
17. Find the area of quadrilateral ABCD in which diagonal AC = 15 cm and lengths of
perpendiculars from B and Don AC are 3 cm and 5 cm respectively.
196​

Answer 1

Answer:

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Answer 2

Answer:

60 sq cm

Explanation:

diagonal divide the quadrilateral into 2 triangles

∆ABC and ∆ADC area of ∆ABC = 1/2 × AC ×h = 1/2 x 15 x 3 = 7.5 x 3 = 22.5 sq cm

area of ∆ADC = 1/2 × AC × h = 1/2 x 15 x 5 = 7.5 x 5 = 37.5 sq cm

area of quadrilateral ∆BCD = ar ∆ABC = 22.5 + 37.5 = 60 sq cm

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