Answer:
The triangle goes into the square 8 times. Find the area of the triangle and multiply by 8 :) hope this helps, let me know if you need more of an explanation.
Answer:
20/29
Step-by-step explanation:
Sin is Opposite/Hypotenuse. The opposite leg is 20, and the hypotenuse is 29.
Step-by-step explanation:

The first one is D and the second is A
Answer:
y = 30° { adjacent angles }
z = 90 - 30° = 60° { right angle triangle - 90° }
x = 180° - 60° - 60° = 60° { isosceles, triangle has two sides 60° }