Question

7. In the adjoining figure, find the area of triangle PQR and
the height PS.
-
15 cm
--- 12 cm
20 cm​

Answer 1

please write the full question

Answer 2

we need to solve this using herons formula

s=15+12+20=47/2=23.5

area=√47/2(47/2-15)(47/2-20)(47/2-12)

=89

taking all bases we take out the height

89/20=4.45

89/15=6

89/12=7