Base of a triangle is 15 and height is 7. Base of another triangle is 18 and height is 5. Hence the ratio of areas of these triangles will be ..... *
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1st triangle :-
Base of 1st triangle =15
Height=7
Area= 1/2×b×h
=> area of the triangle 1= 1/2×15×7
= 105/2 =22.5
2nd triangle :-
Base=18
Height =5
Area of the 2nd triangle=1/2×18×5
=> area of the 2nd triangle =45
Therefore Ratio of the areas of the triangles= 22.5 : 45
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