Monday

December 22, 2014

December 22, 2014

Posted by **Reuben49** on Thursday, July 28, 2011 at 7:37am.

- Maths -
**Reiny**, Thursday, July 28, 2011 at 8:51amI made a sketch, drew some verticals at Q , P and R to get the bearings entered and found angle P = 125°

so use the cosine law:

QR^2 = 50^2 + 90^2 - 2(50)(90)cos125°

...

....

QR = 125.547... or 126 to the nearest km

**Answer this Question**

**Related Questions**

bearing - Three towns p, q and r are such that the distance between p and q is ...

bearing - Three towns p, q and r are such that the distance between p and q is ...

maths - Three towns P,Q and R are such that the distance between P and Q is 50 ...

bearing - Three towns p, q and r are such that the distance between p and r is ...

Maths - P, Q and R are three towns. Q is 40 km N 72°E of P and R is 48 km S 55° ...

MATH - The distance from A to B is d km and that from B to C is x km. if a bus ...

Mathematics - the scale on a map is given as 1:2000000. the distance between two...

Math - The distance between two towns on a map varies directly with the actual ...

math - on the map of Ga one inch is equivalent to 15 miles 1 inch=15 miles.If ...

maths - Two pole of heights 6m and 11m stand on a plane ground. If the distance ...