Question

in triangle pqr PQ is equals to 4 centimetre is equals to 8 cm and 8 is equals to 6 cm find the area of triangle pqr the length of QS

Answer 1

PR=8

PQ=4

RT=6

base ×altitude = base × altitude

PR×QS = PQ × RT

8×QS=4×6

QS=3cm

PQR=1/2×base×altitude

=1/2×8×3

4×3=12cm²