Question

A stalk of corn casts a shadow of 117 inches, while a 8-inch ear of corn casts a shadow of 13 inches. Use similar triangles to find the height of the stalk of corn.

a 190.13 inches
b 1.63 inches
c 72 inches
d 83 inches

Answer 1

Answer: 72

We can use ratios

117 inches / 13 inches = 9

The corn cast shadow is 9 times bigger than the example we are given.

9 * 8 = 72