Yes, they all are 60 degrees, 60 degrees is a acute angle.
Answer:
or , -3a=14-8
or, -3a=6
or , a= 6/3
therefore, value of a= 2
Step-by-step explanation:
6. irrational because nothing times itself is 127.
7. a. 29 is the width plus two things that will equal 105 which would be two 52.2 lengths
b. 29, 52.2, 52.2 or 29, 29 69
8. a. 402 - 237(x/15)
b. 11
c. 12
9. no because it does not reach 90 when you add them together
10. rational because the decimal terminates
I don’t know #1 but here are the other ones:
2. 6
3. 4
4. 16
The answer is the second one
30/15 = 2/1