Update ANS: Class 9 ICSE SELINA EX 20B question 3 | Calculate the area of quadrilateral ABCD, in which angle ABD=90, triangle BCD is an equilateral triangle of side 24 cm and AD=26 cm.

28 Jul 2019

Class 9 ICSE SELINA EX 20B question 3 | Calculate the area of quadrilateral ABCD, in which angle ABD=90, triangle BCD is an equilateral triangle of side 24 cm and AD=26 cm.

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