D 7
A million apologies if I’m wrong half of my brain is still on vacation!
I drew it on paper and I got B as the pages that will face each other.
Answer: B. 22 and 23
Answer:
B is 50° and C is 130°
Step-by-step explanation:
complementary angle
x+x=90°
40°+x=90°
x=90°-40°
x=50°
supplementary angles
x+x=180
50+x=180
x=180-50
x=30°
Answer:
the answer is D
Step-by-step explanation:
because i had the same quiz i just took it
Answer:

Step-by-step explanation:
We want to find the sum of

We can rewrite this as

This becomes;

Recall that;

This implies that;

Combine like terms:
