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Answer:
Option D
Step-by-step explanation:
In the first three options we can evaluate the values of x with the help of Sine Rule for all the triangles
The Rule says
Where a , b and c are the sides opposite to the angles A, B and C of any ΔABC.
Hence , in order to determine unknown values of sides or angles , we need any 3 values from all 3 sides and 3 angles in a triangle. First Three options give us three values but the last option gives only 2.
Example
in first option we can apply Sine Rule as
Answer:
a.) P(HH|C)=2/5
Explanation:
Given following:
- P(HH) = 7
- P(C) = 10
- P(HH ∩ C) = 4
- P(HH ∪ C) = 13
Solving steps:
Answer:
Solution given:
b=9 base side of isosceles triangle
a=