Question

area of triangle PQR=30 cm of PM is the median to qr find area of triangle PQM

Answer 1

Area of PQM is 15cm^2 as median divides a triangle into two parts of equal area.

Answer 2

Answer:

Step-by-step explanation:Area of cross section of river= 2 x 45 = 90 m²

so, water flowing into the sea= area of cross section x rate of flowing water

= 90 x 3000

= 270000 m³

there water flowing per minute= 270000 / 60 = 4500 m³