Question

NCiiiiiii

求解謝謝🙏🏻

A
C
E
B!
( ) 20 如右圖,四邊形ABCD中,
ZBAD=90° · ZADC=90° · Inn
MELBC於E點,若AE=9,BE BH
=6 · AB=AD, U CE= ?
(A) 6
(B) 7
(C) 8
√81736 = Sun
(D 9

Answer 1

✨ 最佳解答 ✨

Mer

設CE=x, CD=y
△ABC+ACD=ABCD
(6+x)*9/2 + √117y/2 = (y+√117)*√117/2
x=7

NCiiiiiii

謝謝你，我算出來了！