# answer the following:
1. Triangle PQR is an equilateral triangle with PM perpendicular to QR. prove that the area of triangle PQM=area of triangle PRM.
2. a solid right circular cone of radius 4cm and height 7cm is melted to form a sphere. find the radius of the sphere.

### Asked by skbl2009 | 18th Jan, 2016, 10:39: PM

Expert Answer:

###
Please post one query at a time.

### Answered by Rashmi Khot | 19th Jan, 2016, 09:36: AM

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