划线提问,1:A triangle has (three) sides.2:This biscuit is (a cir

A triangle has three sides.对three划线提问 this book is a rectangle.(划线部分提问）A triangle has (three)side. a____with three sides is a triangle. ( ) has three sides A A star B A circle C A triangle A triangle has three s___. This biscuit is a circle.（对a circle提问） 2道英语题（加分）1.The three sides of a triangle are of lengths 1,m, 英语翻译1、The three sides of a triangle are of lengths 1,m,n,res 1.If the length,in inches,of all three sides of a triangle a Given 2 sides of a right triangle,calculate: Given in the△ABC,a,b,c are three sides of the triangle,and 3 Look at this ruier.It has three sides.It's a( )