Question

Find the area of quadrilateral ABCD whose sidesand ab 13 cm BC 12cm cd 9cm ad 14cm and diagonal bdb15

Answer 1

draw the figure

you will find that one of the

angle will be 90*

find the area of that part by using

the formula

$1 \div 2 \times base \times heigt \\ ht$

now using the heron's formula

you will get the area of another part

now add both

the answer 148