The area of the triangle whose sides are 42 cm,34 cm and 20 cm in length is
(A) 150 cm^2
(B) 336 cm^2
(C) 300 cm ^2
(D) none of these

Dear Student,

Length 1 = 34 cm
Length 2 = 20 cm

Triangle area formula 1/2 x L x B
= 1/2 x 34 x 20
= 340 cm square

Hence, Option D none of these is correct.

Regards,
Priya Agrawal.

Answer-b