x-a，y

x，y+b

x，y-b

correct

left

a

Last/better/previous/last name

under

b

Double cantilever beam

(7.4)

B.C.

(-3.5)

2

(6,4)

Fold in half along y axis

Fold in half along the x axis

C coordinate is (4.4)

12. ∫ The coordinate of point A is (0. -3).

∴OA=3

∵ Let B(X, 0), then ob = | x |∵ s triangle 0ab = 6 ∴ 3x | x1/2 = 6.

X= Shi 4