Questions
In a circle with centre O, circumference angles RMP and RNP are drawn on the same arc RP. $\angle$ROP is the central angle.
- Write the relation between $\angle$RMP and $\angle$RNP.
- If $\angle$MRN=(7x-2)$^{\circ}$ and $\angle$MPN=(3x+10)$^{\circ}$, find the value of $\angle$MRN.
- Verify experimentally that the relation between $\angle$RMP and $\angle$ROP after drawing two circles having radii at least 3 cm.
In the given figure, PQRS is a square in which PR=10cm. PS is produced to T. What is the area of $\triangle$QRT so formed? Find it.
In the adjoining figure, NS//AM and NA//KM. NK is extended to the point S.
- Write the name of two triangles having equal area.
- Prove that: $\rm \triangle PAM = \frac {1}{2}$parallelogram $\rm AMKN$
Write your plan to make a 5-minute audio-visual material covering the topics included in any one unit under Science and Technology of Class 10. What can be done to make that audio-visual material of 3 minutes? Write, including, the necessary steps.
Write two possible negative effects of using social media.
Write two positive effects based on the use and utility of social media.
Mention four importance of digital reputation management.
Give two examples of digital reputation management.
What is digital reputation management?
What four precautions are necessary for digital well-being?