Answer:
1/3 simplifed.
Step-by-step explanation:
To find the product of 3/7*7/9. We can multiply top and bottom. Top: 3*7=21 Bottom: 7*9=63. Our final answer is just the Top/Bottom= 21/63. We can also simplify this into 1/3 which is our final answer.
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to find <e, add angles 85+58+e=180, e=37
37+90+f=180, f=53
i cant tell you more because we cant see the whole picture