Cross multiply
10 x 9 = 90
3 x k = 3k
make an equality
90 = 3k
divide both sides by 3
90/3 = k
simplify
30 = k
The scale factor is 5.
If you multiply each side of the small triangle by 5, you get the length of the large triangle
Hope this helps
Answer:
c
Step-by-step explanation: just trust me.
Answer:
y = 40
Step-by-step explanation:
__y_ x 8 = 8 x 5
8
y = 40
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▹ Answer
You can use a graphing calculator.
▹ Step-by-Step Explanation
Attached is a screenshot.
Hope this helps!
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