Answer:
16 squares
Step-by-step explanation:
The area of an isosceles is 

Hope this helped!
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sadly i haven’t learned this so i can’t help you with the answers themselves but a graphing utility you could use is a graphing calculator or a graphing calculator online i know one called desmos.com just not sure if it has the intersect feature so i recommend graphing calculator
Answer: u can research it up
Step-by-step explanation: 210/100 i guess