Question

pls answer it only experts...​

Answer 1

Answer:

question number 6 answer is option A 90 degree

Answer 2

Hey!!!

Answer:

$1. \: (c) \: {x}^{2} + 3x + 1 = 0$

$2. \: (b) \: \frac{1}{5}$

$3. \: (d) \: 4$

$4. \: (c) \: 0$

$5. \: (c) B8 \: to \: C$

$6. \: (a) \: 90°$

$7. (c) AC²+DB²$

$8. \: (d) \: 70° \:$

$9. \: (b) \: 2.1cm$

$10. \: (c) \: 126$