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Mathematics

Grade-7

Easy

Question

The height of the triangle is increased by 5 times; determine the new scale factor.

0.4
1.2
1.3
2.6

The correct answer is: 0.4

1 inch = 2yard
3 - inch = 3 × 2 = 6 yards
The height of the triangle is increased by 5 times then new scale factor ?
before height = 3 inch
after increased by 5 times = 5x3= 15 inch
$fraction numerator 6 blank y a r d s over denominator 15 blank i n c h e s end fraction$
$fraction numerator 6 blank divided by blank 15 over denominator 15 blank divided by blank 15 end fraction$
$fraction numerator 0.4 blank y a r d s over denominator 1 blank i n c h end fraction$ .
so 1 inch = 04 yard on a new scale

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