Wich of the following is true if E is the cener ∠ACB ≅ ∠ABD
∠CAD≅ ∠CBD
(arc) AB≅ (arc)CD
(line)AC≅ (line)BD

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

As water is cooled from 4 c to 0 c its density

The poles appear to be slightly flattened in a robinson projection. question 1 options: true false