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大家帮帮忙 求解一道GWD数学题啊！
In triangle ABC,point X is the midpoint of side AC and point Y is themidpoint of side BC. If point Ris the midpoint of line segment XC and if point S is the midpointof line segment YC, what is the area of triangular region RCS?
(1) Thearea of triangular region ABX is 32.
(2) Thelength of one of the altitudes of triangle ABC is 8.
A. Statement (1) ALONE issufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE issufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHERare sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE issufficient.
E. Statements (1) and (2) TOGETHERare NOT sufficient.
答案是a 我完全没有头绪啊 |
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