Use a half-angle identity to find the exact value of sin pi/8
Answer:
90
Step-by-step explanation:
1/3 BH = 1/3(30)(9) = 90
Answer:
4
Step-by-step explanation:
If the two lengths are 7 and 3, then I believe the length of the hypotenuse would be approximately 7.62.
Angle 1 is a "corresponding angle" with respect to the one marked 155°, so it has the same measure. The measure of angle 1 is ...
... 155°