A triangle has sides 35cm ,54 cm, and 61 cm long.Find it's area . Also,find the smallest of its altitudes
Does Euclid's fifth postulate implies the existence of parallel lines? Explain.
- ABC is a right angled triangle in which ∠A = 90°, AB = 5 cm and AC = 12 cm. What is the approximate volume (in cm3) of the double cone formed by rotating the triangle about its hypotenuse