Maci has a family photograph with a width of 4 in and a height of 6 in. she wants to enlarge the photograph so that its width is 10 in. what will the height of the enlarged photograph be

15 inches

Step-by-step explanation:

Given : Maci has a family photograph with a width of 4 in and a height of 6 in.

To Find : . She wants to enlarge the photograph so that its width is 10 in. what will the height of the enlarged photograph be

Solution :

Since width of the of the photo was 4 inches

After the enlargement the width becomes 10 inches

So, the scale factor for this enlargement =

Thus scale for the enlargement is 2.5

So enlargement of height will be done by using this scale

Since the height of the photo was 6 inches

So the height of the enlarged photo = 6 * 2.5 =15 inches

Thus the height of the enlarged photo is 15 inches

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

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