配套习题- 运用解直角三角形的知识解决坡角、坡度相关问题 -【青果学院】

1/5单选题

难度：

1.

某商场内，电梯AB段的铅直高度与水平宽度如图所示，则电梯AB段的坡度i是

（　　）

A	1:2
B	2:4
C	1:5
D	2:1

正确答案：QQ==

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

2/5单选题

难度：

2.某水坝的坡度i=1：

，坡长AB=20米，则坝的高度为（　　）米

A	10
B	20
C	40
D	20

正确答案：QQ==

PGRpdj7op6PvvJrlpoLlm77vvJogPGJyPuKIteWdoeW6pmk9Me+8mjxpbWcgd2lkdGg9MTcgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjMvNDMvckJBQ0UxTU1VaHV6elpMZ0FBQUJaRjRCNHZzOTcyLnBuZyI+PC9kaXY+PGRpdj48aW1nIHdpZHRoPTEzOSBoZWlnaHQ9MTAxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMDAvNTYvckJBQ0ZGTU1VaHVEcHNZekFBQUd4Rk9XallzNDg0LnBuZyIgPjwvZGl2PjxkaXY+4oi06K6+QUM9eO+8jEJDPTxpbWcgd2lkdGg9MTcgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjMvNDMvckJBQ0UxTU1VaHV6elpMZ0FBQUJaRjRCNHZzOTcyLnBuZyI+eDwvZGl2PjxkaXY+5qC55o2u5Yu+6IKh5a6a55CG5b6X77yMPGJyPkFDPHN1cD4yPC9zdXA+K0JDPHN1cD4yPC9zdXA+PUFCPHN1cD4yPC9zdXA+77yMPGJyPuWImXg8c3VwPjI8L3N1cD4r77yIPGltZyB3aWR0aD0xNyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yMy80My9yQkFDRTFNTVVodXp6WkxnQUFBQlpGNEI0dnM5NzIucG5nIj5477yJPHN1cD4yPC9zdXA+PTIwPHN1cD4yPC9zdXA+77yMPGJyPuino+W+l3g9MTAuIDxicj7mlYXpgIlBLiA8L2Rpdj4=

3/5单选题

难度：

3.

如图是某商场一楼与二楼之间的手扶电梯示意图. 其中AB，CD分别表示一楼，二楼地面的水平线，∠ABC=150°，BC的长是8m，则乘电梯从点B到点C上升的高度h是

（　　）

A	83 √3米
B	4米
C	4√3米
D	8米

正确答案：Qg==

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

4/5单选题

难度：

4.

如图，如果在高为2m，坡度为1：2的楼梯上铺地毯，那么地毯的长度至少应截取

（　　）

A	2m
B	6m
C	m
D	（6+）米

正确答案：Qg==

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

5/5单选题

难度：

5.

如图，山顶一铁塔AB在阳光下的投影CD的长为6米，此时太阳光与地面的夹角∠ACD=60°，则铁塔AB的高为（　　）

A	6√3 米
B	3米
C	2米
D	2√3 米

正确答案：QQ==

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