Math Problem Statement
Di tepi jalan raya kota X terdapat rambu lalu lintas berbentuk lingkaran dengan jari-jari berukuran 7 cm dan sudut pusatnya 90°. Maka berapa luas juringnya?
A. 36,5 cm
B. 37,5 cm
C. 38,5 cm
D. 39,5 cm
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Circle
Sector of a Circle
Formulas
Area of Sector Formula: A = (θ/360°) * π * r^2
Theorems
-
Suitable Grade Level
High School
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