Answer:
It is irrational
Step-by-step explanation:
7.525225222....... is non terminating non reoccurring
Therefore it is irrational
Answer:


Step-by-step explanation:
Given
See attachment for triangles
Solving (a)

The tan of an angle is:

From the given triangle.


So, we have:

Solving (b)

The cos of an angle is:

From the given triangle.


So, we have:

Answer:
for number 31 it is 06,08 and 14 for 31 a
Step-by-step explanation:
Answer:
21
Step-by-step explanation: