Question
please solve 3&4 questions
Want the extra q/a of the prose keeping it from Harold ,a prose cane class9
Find the summation of the first n term 1+(1+4)+(1+4+7)+(1+4+7+10)+....
in the figure, ba perpendicular to ac, de perpendicular to df such that ba = de and bf = ec. show that triangle abc is congruent to triangle def.
Maths
Oct. 3, 2017, 10:53 p.m.
Answer
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