Qn.1].If one angle of a parallelogram is 240 less than twice the smallest angle, find all the angles of the parallelogram.
Qn.2.] If PQRS is a parallelogram then find the angles P, Q, R and S.
Qn.3.] The cost of petrol in a city is 50 Rs per litre. Write an equation with x representing the number of litrs and y representing the total cost[in rupees].
Qn 4] In parallelogram ABCD the bisector of angle A also bisects BC at P. Prove AD=2AB.
Solution 1:
We have the following parallelogram ABCD.
It is given that,
Hence, the angles are
Solution 2:
Post the complete question,
Solution 3:
Given that the cost petrol = Rs. 50/litre,
The equation for total cost y in terms of x is given by
Solution 4:
We have the following diagram,
In the above figure, we have
BP = PC (1)
We know that the sides opposite to equals angles are equal. Therefore
BP = AB (2)
And