Question

The length of other diagonal BD is

(a) 103

(b) 2

(c) 20/3

(d) None

Answer 1

Area of Δ CPB = \(\frac{1}2\) PC × PB sin θ

\(\frac{1}4\times8=\frac{1}2\times2 \times\,PB\,\times\,\frac{3}5\)

PB = \(\frac{10}3\)

BD = \(\frac{20}3 \,units.\)