![OAB is a sector of the circle having centre at O and radius 12 cm. If m∠AOB = 45°, find the difference between the area of sector OAB and triangle AOB. - OAB is a sector of the circle having centre at O and radius 12 cm. If m∠AOB = 45°, find the difference between the area of sector OAB and triangle AOB. -](https://www.shaalaa.com/images/_4:73da8836a425419bb4391bfa691668c4.png)
OAB is a sector of the circle having centre at O and radius 12 cm. If m∠AOB = 45°, find the difference between the area of sector OAB and triangle AOB. -
![A 4.5 cm needle is placed 12 cm away from a convex mirror of focal length 15 cm . Give the location of the image and the magnification. Describe what happens as A 4.5 cm needle is placed 12 cm away from a convex mirror of focal length 15 cm . Give the location of the image and the magnification. Describe what happens as](https://i.ytimg.com/vi/NyE3BYXZaRs/maxresdefault.jpg)
A 4.5 cm needle is placed 12 cm away from a convex mirror of focal length 15 cm . Give the location of the image and the magnification. Describe what happens as
an insect trapped in a circular groove of radius 12cm moves along the groove steadily and comppetes 7 revolution in 100s what is the magnitude of centripetal acceleration in above problem
![T Madas. 1 m = cm cm = mm 10 1 km = m m = cm cm = mm 40 3 km = m m = cm cm = mm km = m cm = m ppt download T Madas. 1 m = cm cm = mm 10 1 km = m m = cm cm = mm 40 3 km = m m = cm cm = mm km = m cm = m ppt download](https://images.slideplayer.com/31/9625092/slides/slide_12.jpg)
T Madas. 1 m = cm cm = mm 10 1 km = m m = cm cm = mm 40 3 km = m m = cm cm = mm km = m cm = m ppt download
![A 30 gm bullet initially travelling at 120 m/s penetrates 12 cm into a wooden block. The average resistance exerted by the wooden block is? A 30 gm bullet initially travelling at 120 m/s penetrates 12 cm into a wooden block. The average resistance exerted by the wooden block is?](https://dwes9vv9u0550.cloudfront.net/images/9635518/f5c7c0d0-6511-426b-9959-302c7a4d4ef9.jpg)
A 30 gm bullet initially travelling at 120 m/s penetrates 12 cm into a wooden block. The average resistance exerted by the wooden block is?
![PQRS is a parallelogram. QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm, then PQRS is a parallelogram. QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm, then](https://www.vedantu.com/question-sets/6255b60b-5749-4b75-85ce-8679309f754b6836563222070767642.png)