9.
\((1)\)王师傅用\(5\)根木条钉成一个五边形木架,要木架不变形,他至少还要再钉上________根木条.
\((2)\)一个多边形的内角和外角和的\(2\)倍,则这个多边形的边数为____.
\((3)\)三角形的两边长分别为\(2cm\)和\(8cm\),周长为奇数,则第三边长为__________.
\((4)\)如图,在四边形\(ABCD\)中,\(∠1+∠2=225^{\circ}\),\(∠C=100^{\circ}\),直线\(l\)与边\(AB\)、\(AD\)分别相交于点\(M\)、\(N\),则\(\angle B+\angle D=\)_____________.
\((5)\)如图,\(\Delta ABC\)的外角\(\angle ACD\)的平分线\(CP\)与内角\(\angle ABC\)的平分线\(BP\)交于点\(P.\)若\(∠BPC=40^{\circ}\),则\(∠CAP=\)___________.
\((6)\)如图,\(\angle A+\angle B+\angle C+\angle D+\angle E+\angle F+\angle G+\angle H=\)______________.
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