randlemccray4305
13.03.2021 •
Mathematics
The radius of a circle is 4 centimeters. What is the angle measure of an arc bounding a sector with area 2 square centimeters?
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Ответ:
Measure of the arc = 14.32°
Step-by-step explanation:
Radius of a circle = 4 cm²
Area of the circle = πr²
Here, r = radius of the circle
Area of the circle = π(4)²
= 16π cm²
= 50.265 cm²
Since, area of a sector =
Here, θ = Central angle subtended by the arc Or measure of arc
Area of the sector given as 2 cm²
2 =
θ = 14.32°
Therefore, measure of the arc = 14.32°.
Ответ:
1/4 feet
Step-by-step explanation:
since all the strips are 3 feet when they are 12 in number
thus one feet = 12/3= 4 strips
with this knowledge one strip would then be 1/4 feet