PQRS is a rhombus with PQ= 12 cm Find with reasons:
1.1 a
1.2 b
1.3 c
1.4 the whole of Q
1.5 the length of SR​

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer

Find two numbers if their ratio is 4: 7 and their difference is 123.

Each year a store decreased the price of a certain model of tv by $35 . if the price in 2001 was $1950 , what was the price in 2009