PLEASE HELP ASAP! WILL GIVE BRAINLIEST! Thank you! Given: mKP=2mIP, mIVK=120° Find: m∠KJL
1 answer:
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Answer:
Slope of (0,2) and (-8,-8): 5/4
Slope of (-8,-5) and (8,15): 5/4
Both slopes are 5/4
m = 5/4
Step-by-step explanation:
To find the slope:
1. Use the formula .
2. Assign point 1 and point 2
3. State (x₁ , y₁) and (x₂, y₂)
4. Substitute x₁ , y₁, x₂, and y₂ into the formula
5. Solve
Slope of (0,2) and (-8,-8):
Point 1: (0,2) x₁ = 0 y₁ = 2
Point 2: (-8,-8) x₂ = -8 y₂ = -8
Formula for slope
Substituted points
Simplified the subtraction then the negatives
Reduce fraction by dividing top and bottom by 2
First slope
Slope of (-8,-5) and (8,15):
Point 1: (-8,-5) x₁ = -8 y₁ = -5
Point 2: (8,15) x₂ = 8 y₂ = 15
Formula for slope
Substituted points
Simplified the subtraction into addition
Reduce fraction (divide top and bottom by 4)
Second slope