In the given figure, ΔABC is right angled at B. The value of x∘+y∘ = ___
45∘
60∘
90∘
120∘
90∘+x∘+y∘=180∘..........(sum of angles of a Δ)
x+y=90∘
In the figure, if chords AB and CD of the circle intersect each other at right angles, then x+y=
△PQR, right-angled at Q, if PR = 24cm, QR = 12cm, then find the value of ∠QRP.
In the given figure, if chords AB and CD of the circle intersect each other at right angles, then x+y=
(a) 45∘
(b) 60∘
(c) 75∘
(d) 90∘