Answer:
y + z = x
Step-by-step explanation:
The external angle of a triangle is equal to the sum of the 2 opposite interior angles.
x is an exterior angle of the triangle, thus
y + z = x
Answer:
300?
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
- to find x we use tan 60 = x/7
- rearrange, tan60*7 = x, x = 
- now you have two sides so you can use pythagoras to find z
y^2 + x^2 = z^2
z = 
z = 14
To find the number of books she can read in one month, we do 8/2 to find that she can read 4 books per month.
Then we can do 12/4 to see how many months it took to read 12 books
12/4=3 months
Hope this helps
