Question

please friends tell this and 6th question is not clear there is ( the ratio 2 : 3 ). this is there
And l know answer but l don't know solution so I am telling answers
4: 72°
5: 9°
6: 36°,54°
7: 25°,65°
8: 40°,140°
now please tell solution​

Answer 1

Answer:

$\Huge\sf\underline\blue{Answer}$

Sum of Complementary angles = 90°

Ratio = 2:3

Let the angles = 2x, 3x

$\sf \: 2x + 3x = 90 \\ \sf \: 5x = 90 \\ \sf \: x = \frac{90}{5} \\ \sf \: x = 18$

So, 2x = 2 × 18 = 36°

3x = 3 × 18 = 54°