
Tỉ số đồng dạng 2
Authored by Hoa Nguyen
Mathematics
9th Grade
Used 6+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. 右の図でDE//BCのとき,次の問いに答えなさい.
(1)ΔABCとΔADEの面積の比を求めなさい。
3:2
9:4
2:3
4:9
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
【2】右の図でDE//BCのとき,次の問いに答えなさい。
ΔABCの面積が 27 のとき ,ΔADEの面積を求めなさい。
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3. ΔABCの2辺AB, ACの中点をそれぞれM,Nとする。 次の問いに答えなさい。
ΔABCの周の長さが 18 ㎝のとき,ΔAMNの周の長さを求めなさい。
6cm
12cm
18cm
9cm
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
4. ΔABCの2辺AB, ACの中点をそれぞれM,Nとする。 次の問いに答えなさい。
ΔABCの面積が 20 のとき,台形MBCNの面積を求めなさい。
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
右の図の円PとQの周の長さの比を求めなさい。
4:9
3:2
2:3
9:4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
右の図の円PとQの面積の比を求めなさい。
3:2
2:3
9:4
4:9
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
右の図のように,∠BAC= 90°の直角三角形ABCの頂点Aから辺BCに垂線ADを 引いた。次の問いに答えなさい。
ΔDBAの周の長さを求めなさい。
24cm
48cm
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