This is a right triangle, the measure of angle A is 90 degrees.
First thing to do I guess is finding B and C.
tan^-1 (7/12) = 30 degrees
tan^-1 (12/7) = 60 degrees
60 + 30 = 90
180 - 90 = 90. Therefore angle A = 90 degrees
Answer:
10
Step-by-step explanation:
You can see that both triangles are the same except for one thing: one is smaller. Since 7 is half of 14 and both triangles are similar, x stands for 10. That is because 10 is half of 20! :D
Answer:
approximate perimeter is 42.32
Step-by-step explanation:
each side of a square is equal to each other
1. Find the square root of 112

2. Multiply 10.58 by 4(number of sides)

Answer:
y=0
Step-by-step explanation:
For the x axis, the value of y is zero
y=0
Answer:
yes
Step-by-step explanation: