Question

. In the given figure, ABCD is a rectangle whose diagonals
intersect at 0. Diagonal AC is produced to E and <ECD
= 140°. Find the angles of ΔOAB.​

Answer 1

$\huge\mathbb{\purple{ドラえもんバツ のび太}}$

Answer 2

Answer:

1. Find the acute angle between the following pair of straight lines. c) y=(2 - rott under 3)x+4 and y=(2+ root under 3) x -7