Answer:
1 : 140
Step-by-step explanation:
Ratio is 30 : 4200
Divide both numbers by 30:-
= 1 : 140 (answer)
Solution in photo
53.13⁰
Use sine:
sinθ=opposite/hypotenuse
sin∠A=4/5
∠A=sin⁻¹(0.8)=53.13010235415≈53.13⁰
I think the answer is 22,000
10,000,000,000,000,000,000,000,000,000,000,000,000,000,000
10,000,000,000,000,000,000 x 1,000,000,000,000,000,000,000,000 =