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if i do it this way will it be ok ?
1cm---->3km
So
4cm---->4*3=12km
7cm---->7*3=21km
Now Area=1/2bh
So A=1/2(21)(12)
A=126km Square
Is this right also ?
ABC is a triangle with height of 4 cm and base of 7 cm,drawn to a scale of 1cm:3km. Find the actual area of the triangle.
How to solve such question ?
For every 2 million pounds of furtilizer made about 480 pounds are ruined by being accidentally left out in rain .Last month 300 pounds were ruined.with this info estimate how many pounds of fertilizer were manufactured last month ?
is this question right ?
Given that A,B,C and D are whole numbers.Such that A+B=8,B+D=11,B+D=13 and C+D=14
find the value of A,B,C,D ?
in this question B+D had two values.
Is this question right ?
in a league male to female ratio is 6:5.If there are 138 players in the league ,How many are female ?
A)6/11*138=76 females
is it right ?