Answer:
220 degree
Step-by-step explanation:
Given the radius=18cm , pi=3.14.. , area=198π
Area of a sector =∅×π×r²/360
or,198π=Θ×π×r²/360
or,Θ=360×198π/πr²
∴Θ=220°
Answer:
It’s 10n+12
They put the 2 n’s as an exponent
Step-by-step explanation:
150 pennies because 5+5+5+5+5+5+5+5+5+5=50 and 100+50=150
Answer:
Step-by-step explanation:
We have two sides
and the preimeter
We can calculate the length of the third side:
substitute
Use the Heron's formula:
where
substitute:
Answer:
there is no picture added
Step-by-step explanation: