ECAT Maths XI : Chapter 13 SOLUTION OF TRIANGLE (test 1) Leave a Comment / By Afshan JAMAL / July 2, 2026 Welcome to your ECAT Maths XI : Chapter 13 SOLUTION OF TRIANGLE (test 1) In a right-angled triangle ABC, the value of sin²A + sin²B + sin²C is: 1 3/2 2 7/4 None Previous Start Quiz Next Time's up
