Asap i will mark brainliest if it is correct and work is shown sandra calculated the missing side length of one of these triangles using the pythagorean theorem. which triangle is it? four triangles a, b, c, d are shown from left to right. triangle a has two sides labeled 6 each, and the included acute angle is shown. triangle b has one side labeled as 2 and the other as 3, and the included obtuse angle is shown. triangle c has one side labeled as 6 and the other as 7, and the included acute angle is shown. triangle d has one side labeled as 2 and the other as 3, and the included right angle is shown. a b c d