Answer:
37.5°, 52.5°
Explanation:
Let the two angles be 5x and 7x
Total ratio= 5+7 =12
5x = (5/12) ×90° ( sum of complementary angles = 90°)
= (5/2)×15°
75/2= 37.5°
Similarly
7x = (7/2)×15°
=105/2= 52.5°
Verification
37.5°+52.5°=90° (sum of complementary angles= 90°)