Explanation: Triangle whose sides are midpoints of sides of triangle ABC has a perimeter 45. How long is perimeter of triangle ABC? Triangle ABC Construct a triangle ABC is is given c = 60mm hc = 40 mm and b = 48 mm analysis procedure steps construction; The sides 3 The sides of an equilateral triangle are 9.4 cm, :) A right-angled triangle (also called a right triangle) is a triangle with a right angle (90°) in it. The right angled triangle is one of the most useful shapes in all of mathematics! (It is used in the Pythagoras Theorem and Sine,
It is because the Americans started to see all the other countries become free and they wanted to become free to. They also started to not like the way the British treated them.