Two angles A and B are complementary.Given A - B = 30 Calculate the measurement of angle B
Given two parallel lines xy & zt. Three points A,B & C are on line xy, two points D & E are on line zt. Draw lines passing through the pairs of points. How many lines are there? (including xy & zt)
Given 50 lines that any 3 lines are not concurrent. How many intersection point are there?
Given 50 lines that any 3 lines are not concurrent. How many intersection point are there?
given 2 parrel lines xy and zt.Three point ABC are on line xy,two point DE are on line zt.Draw lines pasing throught the pair of points
Câu1: 510x610=?10
Câu 2:Given 50 lines that any 3 lines are not concurrent. How many intersection point are there?
Ai giúp cho 5 like
given 5 point in which not any 3 point are collinear.draw lines pasing throught the pair of poins t .how many lines are there
