engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Geometry Circles, Chords and Tangents
In a circle with centre O, PA and PB are the tangents at A and B, respectively, from an external point P. If ∠APB = 42° then what will be the measure of ∠AOB ?
1
121°
2
138°
3
142°
4
159°