The normal range of blood pressure is 120/80 mmHg.
Here, 120 refers to systolic pressure, and 80 refers to diastolic pressure.
प्रथमोपचार पेटीसाठी आवश्यक असणाऱ्या कोणत्याही सहा साहित्यांची नावे लिहा.
व्याख्या लिहा
मूलपेशी :
In the adjoining figure, $\triangle CAB$ is a right triangle, right angled at A and $AD \perp BC$. Prove that $\triangle ADB \sim \triangle CDA$. Further, if $BC = 10$ cm and $CD = 2$ cm, find the length of AD. 
In the adjoining figure, TP and TQ are tangents drawn to a circle with centre O. If $\angle OPQ = 15^\circ$ and $\angle PTQ = \theta$, then find the value of $\sin 2\theta$. 