The answer is 122 for the final angle
Answer:
i think its D
Step-by-step explanation:
19/4 = 4.75
√20 = 4.47213595
13/3 = 4.3 ( reapeating )
x ≈ 59°
Work is on piece of paper, yet I don't have a phone. I'm certain that is the answer.
Answer:

Step-by-step explanation:
1) if according to the condition a₁=3 and r=2/3, then a₁₀ can be calculated as:
a₁₀=a₁*r⁹;
2) according to the rule above:
a₁₀=3*(2/3)⁹=512*3/(6561*3)=512/6561.
56m^2
see the steps from the pic