Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find y
The attached triangle is isosceles; so:

Also, we have:
--- angles in a triangle
Substitute: 

Collect like terms


Answer:
x = 0.954
Step-by-step explanation:
We apply pythagorean to find x
(4-x)² = 1.2² + 2.8²
(4-x)² = 9.28
✓(4-x)² = ✓(9.28)²
4 - x = 3.046
- x = 3.046 - 4
- x = -0.954
x = 0.954
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Answer:
The answer is 62.8
Step-by-step explanation:
C=2(3.14)(r)
c=6.28(10)
c=62.8
Answer:

Step-by-step explanation:
Use the <u>Slope Formula</u> to determine the slope of two given points:

First Point: 
Second Point: 
-Substitute both points:
First Point: 
Second Point: 

-Solve for the slope:



Therefore, the slope is 