Question

7
Find the area of a parallelogram, if the
lengths of two adjacent sides of the
parallelogram are 6 cm and 8 cm and
the diagonal through their common
point is 10 cm.
(a) 48 sq.cm-. (b) 52 sq. cm
(C) 64 sq. cm (d) 84 sq. cm​

Answer 1

Answer:

since 6, 8 and 10 are Pythagoras triplets

area of half ∆ with adjacent sides and opposite diagonal ( both diagonal equal )

= 1/2 * 6 *8 = 24 cm²

area of parallelogram = 2*24 = 48cm²