draw triangle of area 15 cmsquare
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Its basic logic is to find area we multiply two lengths.
length, breadth for rectangle, two sides of square, even two times we multiply radius to find area of circle and this goes for all 2-D shapes.
Now here we are saying we magnify 3 times i.e. each sides of triangle is now 3 times of before.
So for area total difference should be 3*3 times since we multiply 2 sides as mentioned above (1/2*base * height).
Hence area would be 9 times more.
Step-by-step explanation:
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