Question

Please help .-.
No absurd answers

Answer 1

64ft is the answer.

Answer 2

64 ft²

Explanation:

10 ft · 10 ft

100 ft²

`A=(bh)/(2)`

6 · 6 = 36

36 ÷ 2 = 18

18 ft² + 18 ft² = 36 ft²

100 ft² - 36 ft²

64 ft²