36 km/hr = _______m/s
10 m/s
10
15
20
We know 1 km = 1000 m and 1 hr = 3600 s 36 km/hr= 36 × 100060 × 60= 36036= 10 m/s
36 kmhr =___ ms
36 km/hr= ___ m/s
36 km/h = 10 m/s
In triangle PQR, PR = 8 cm, QR = 8 cm and PL = 5 cm. Find the area of triangle PQR.