Tag: dailyprompt-1849
-
Find the sum of interior angles of a five point star | CAT | SAT | Math Olympiad

We’re given the following triangle, with angles a, b, c, d and e as shown. We’re required to find the value of a+b+c+d+e. Solution Consider Triangle △ABC as shown. Then extend the line AC to Z. ∠ZAB is exterior angle to △ABC Hence, Using Exterior angle Theorem we get: ∠ZAB = b + d . .…
