Answer:
B
Step-by-step explanation:
i think
Given:
In triangle OPQ, o = 700 cm, p = 840 cm and q=620 cm.
To find:
The measure of angle P.
Solution:
According to the Law of Cosines:
Using Law of Cosines in triangle OPQ, we get
On further simplification, we get
Therefore, the measure of angle P is 79 degrees.
Answer:
a stationary sells 8pencil for the cost price of 10pencil find his gain percent