Question

求阴影部分面积（数学）

Answer 1

阴影面积=2个正方形面积-三角形面积

=6×6+4×4-（6+4）×6÷2

=36+16-30

=22

Answer 2

图

Answer 3

6×6+4×4-6×(6+4)/2
=36+16-30
=22cm²