Answer:
60
Step-by-step explanation:
All the sides are equal, which makes it an equilateral triangle.
That means all the angles are equal
180/3 = 60
Angle A is 60 degrees
Answer:
1. 4.5 (9/2)
2. 5.2 (square root of 27)
3. 5.8
4. 6.3 (2pi)
Step-by-step explanation:
The square root of 27 is 5.2, 2pi is 6.3, and 9/2 is 4.5. So the first one is 4.5. The second one is 5.2. The third one is 5.8 and the fourth one is 6.3. I hope this helps! Please mark me brainliest!
Answer:
676
Step-by-step explanation:
you just add them
X^2 - 8x = (x - 4)^2 - 16
we add 16 to give x^2 - 8x + 16 which is a perfect square
x^2 - 8x + 16 = (x - 4)^2
answer is 16
