The measures of the 2 acute angles of a triangle are in the ratio of 2:7. What are the measures of the 2 angles?	Choose the correct choice.
A) 50°
B) 70°
C) 80°
D) 90°
E) 100°
If the ratio of the two angles is 2:7, then the measures of two angles can be written as 2x and 7x. Also the two acute angles of a triangle is equal to 90°. Hence   2x + 7x = 90   9x = 90   x = 10   Measures of the two acute angles are   2x = 2 × 10 = 20°   7x = 7 × 10 = 70°   70°
<result>B</result>
The measures of the 2 acute angles of a triangle are in the ratio of 2:7. What are the measures of the 2 angles?