配套习题- 探究三角板直尺中的叠合角度 -【青果学院】

1/5单选题

难度：

1.如图，桌面上叠放着一块三角板和一把直尺，将三角板的直角顶点紧靠直尺的边缘，若∠1=46°. 则∠2等于（　　）

A	44°
B	46°
C	54°
D	56°

正确答案：QQ==

PGRpdj7op6PvvJrlpoLlm77vvIziiLVh4oilYu+8jDxicj7iiLTiiKAxPeKIoDM9NDbCsO+8jOKIoDI94oigNO+8jDxicj7iiLXiiKAzK+KIoDQr4oigQz0xODDCsO+8jOKIoEM9OTDCsO+8jDxicj7iiLTiiKAyPeKIoDQ9OTDCsC00NsKwPTQ0wrAuIDxicj7mlYXpgIlBLiA8aW1nIHdpZHRoPTEyMyBoZWlnaHQ9NzIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wMC82NS9yQkFDRkZNTVZ6WFN5QU5EQUFBVmVnTklITzgyODUucG5nIiA+PC9kaXY+

2/5单选题

难度：

2.

把一块直角三角板和一把直尺按如图所示的位置放在一起，测得∠2=35°，则∠1的度数是（　　）

A	35°
B	45°
C	55°
D	65°

正确答案：Qw==

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

3/5单选题

难度：

3.如图所示，将一块直角三角板的直角顶点O放在直尺的一边CD上，如果∠AOC=28°，那么∠BOD等于（　　）

A	72°
B	62°
C	52°
D	28°

正确答案：Qg==

PGRpdj7op6PvvJrnlLHpopjmhI/lvpfvvIziiKBBT0Mr4oigQU9CK+KIoEJPRD0xODDCsO+8jDxicj7op6PlvpfvvJriiKBCT0Q9NjLCsC4gPGJyPuaVhemAiUIuIDwvZGl2Pg==

4/5单选题

难度：

4.

把一块直尺与一块三角板如图放置，若∠1=45°，则∠2的度数为（　　）

A	115°
B	120°
C	145°
D	135°

正确答案：RA==

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

5/5单选题

难度：

5.

将一个直角三角板和一把直尺如图放置，如果∠α=46°，则∠β的度数是（　　）

A	43°
B	44°
C	45°
D	46°

正确答案：Qg==

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