IN the figure, PQRS is a parallelogram with an area of 72 cm2.
If SR=16 cm, find the altitude of triangle SRT.
area of paralldigram = 72 cm2'
SR = 16cm
Area of paradigram = 12×altitude×SR
72 = 12×altitude×16
altitude = 72×216
altitude = 9cm
so,
altitude of triangle SRT = 9cm