Answer:
option C

Step-by-step explanation:
we know that
If
-------> complementary angles
then

In this problem
the option C
we have that
-------> complementary angles
so

Answer:
2, 690, 000, 000
Step-by-step explanation:
Hope thus will help you
Mathwords.com gives this definition of “scale factor”: The ratio of any two corresponding lengths in two similar geometric figures. You can see immediately that the length of each of the sides in triangle DEF is equal to the length of the corresponding side in ABC multiplied by “a”.
Answer:
72
Step-by-step explanation:
You can find ten percent of 180 pretty easily, it is 18 (divide by 10) then multiply by 4 to get 40%.