Take Class 7 Tuition from the Best Tutors
Affordable fees 1-1 or Group class Flexible Timings Verified Tutors Question:
In a cyclic quadrilateral ABCD, AB = 4, BC= 5, CD = 9 and DA = 5. Find the length of the diagonal AC.
(1) 8
(2) 7
(3) 6
(4) √61.
Solution:
AC*BD = 36+25 = 61
AC/BD = 20+45/ 20+45 = 1
Multiplyin AC^2 = 61
AC = root 61
Formula = AC = √{(ac+bd)×(ad+bc)/(ab+cd)}
Learn from Best Tutors on UrbanPro.
Are you a Tutor or Training Institute?
Join UrbanPro Today to find students near youThe best tutors for Class 7 Tuition Classes are on UrbanPro
The best Tutors for Class 7 Tuition Classes are on UrbanPro
0
