如图,在
中,
,按以下步骤作图:①以B为圆心,任意长为半径作弧,分别交
、
于M、N两点;②分别以M、N为圆心,以大于
的长为半径作弧,两弧相交于点P;③作射线
,交边
于D点.若
,
,则线段
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94e1ca12da27075e5241b7c7ce74672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/30/625befa6-ea9c-406b-898e-65c6997c9729.png?resizew=150)
A.3 | B.5 | C.![]() | D.6 |
更新时间:2023-11-30 17:03:24
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【推荐1】下列命题是真命题的是( )
A.面积相等的两个三角形全等 |
B.两条直线被第三条直线所截同位角相等 |
C.角平分线上的点到两边的距离相等 |
D.同旁内角互补 |
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【推荐2】如图,在
中,
,
平分
,若
,
,则
的面积为( )
![](https://img.xkw.com/dksih/QBM/2021/1/23/2642229276106752/2650102460047360/STEM/dc1ffe46-02b4-44d8-9c03-d1a0a269da2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://img.xkw.com/dksih/QBM/2021/1/23/2642229276106752/2650102460047360/STEM/dc1ffe46-02b4-44d8-9c03-d1a0a269da2e.png)
A.3 | B.6 | C.8 | D.12 |
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【推荐1】如图,直线
相交于点O,
,根据图中的尺规作图痕迹,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28d2790a97390935125aa897417f970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de637684e60a7429aba11639aacb9dda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/17/9c28a16e-9a0f-4a49-b1e7-aeef52e1a7da.png?resizew=143)
A.64° | B.56° | C.58° | D.45° |
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【推荐2】如图,在
中,
,以点B为圆心,
长为半径作弧,交
于不同于点C的另一点D,连接
;再分别以点C、D为圆心,大于
的长为半径作弧,两弧相交于点E,作射线
交
于点F,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/6f3fae4a-cf52-4e35-9458-b95361bef765.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b840be5852709e18ea985954545e78d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c5840e0454fdec7d2158072c43b8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/685516a27697104e83b311d76efa17aa.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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名校
【推荐1】下列命题中,其逆命题成立的个数( )
①同位角相等,两直线平行;②对顶角相等;③两组对边分别相等的四边形是平行四边形
④如果三角形的三边长a,b,c(
)满足
,那么这个三角形是直角三角形
①同位角相等,两直线平行;②对顶角相等;③两组对边分别相等的四边形是平行四边形
④如果三角形的三边长a,b,c(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b73abfe4bc26b1ded680d7abb1a2cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3133ef62aad6bdd6637140620f068fad.png)
A.1 | B.2 | C.3 | D.4 |
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【推荐2】平面直角坐标系中有两点
和
,则这两点之间的距离是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f880f02c51a46e883522368a40ed66df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/507fb2f9c7fe07022e09b0dcbe0d0954.png)
A.3 | B.4 | C.5 | D.12 |
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