If the cos of angle x is 5 over 8 and the triangle is dilated to be three times as big as the original, what would be the value of the cos of x for the dilated triangle?

a. 15 over 24

b. 10 over 16

c. 5 over 8

d. The cos value cannot be determined for the dilated triangle.

Question

Zachary Bean

Mathematics

9 September, 20:22

If the cos of angle x is 5 over 8 and the triangle is dilated to be three times as big as the original, what would be the value of the cos of x for the dilated triangle?

a. 15 over 24

b. 10 over 16

c. 5 over 8

d. The cos value cannot be determined for the dilated triangle.

+2

Answers (1)

Know the Answer?

Leonardo Fritz · Answer 1

Even though we triple the lengths of the sides of the original triangle, we do not change the value of the cosine of the angle x, because the ratio "adj / hyp" remains the same (5/8).

If the cos of angle x is 5 over 8 and the triangle is dilated to be three times as big as the original, what would be the value of the cos of x for the dilated triangle?a. 15 over 24b. 10 over 16c. 5 over 8d. The cos value cannot be determined for the dilated triangle.

If the cos of angle x is 5 over 8 and the triangle is dilated to be three times as big as the original, what would be the value of the cos of x for the dilated triangle?

a. 15 over 24

b. 10 over 16

c. 5 over 8

d. The cos value cannot be determined for the dilated triangle.