Answer:
9:6
Step-by-step explanation:
You can find x by setting the ratios equal to each other.

Now you just need to solve for x.

The ratio is 9:6.
All right triangles will always add up to 90 degrees unless stated otherwise.
Mean is 8
you have to add all the numbers and then divide it by the number of elements you have in this case 7
Answer:
5) a) complementary
6) b) supplementary
7) c) vertical angles
Step-by-step explanation:
5)
The sum of the complementary angles = 90 degrees
According to the graph, both angles add up to 90 degrees
Answer: a) complementary
6)
Straight angle is equal 180 degrees
The sum of the supplementary angles = 180 degrees
Answer: b) supplementary
7)
Vertical Angles are the angles opposite each other when two lines cross. The vertical angles are congruent.
Answer: c) vertical angles
Answer:

Step-by-step explanation:
By FOIL method, 