Answer:
Hi there!
We've given with the base area and height. We know the formula for base area
Base area = πr²
154 = 22/7 × r²
154 × 7/22 = r²
49 = r²
√49 = r
7 = r
Now
TSA = 2πr(h + r)
TSA = 2 × 22/7 × 7(7 + 20)
TSA = 44(27)
TSA = 1188 cm²
Answer:-6
Step-by-step explanation:20+(-6)=14
Answer:
a-4
Step-by-step explanation:
b-diagramm
c-1100mn
Answer:
D
Step-by-step explanation:
When we divide the entire equation by -1/2 to get rid of the coefficient of n we get n = 16.
S=Speed limit
S≤60 is the answer
And the graph is an closed circle to the left. With the circle on 60.