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tintin
Questions (4)
a pentagon has sides 2N+7,3N+2,6,7N,5N-6.If the perimeter is 180,find the length of each side.
1 answer
447 views
a regular triangle and a regular hexagon have the same perimeter length.If the length of a side of hexagon is 20cm,how long is
2 answers
458 views
Quantitative analysis of soda ash by double indicator
*why there is a need to boil distilled water in the preparation of base
2 answers
1,103 views
why a weight reading is considered constant when the last two consecutive weights are within 0.0003g?
1 answer
431 views
