EM-2190
Perimeter and area of composite figures
E Math · Secondary 4 · Medium · Perimeter and area of composite figures
A regular pentagon has each side of length 7 cm. An equilateral triangle is attached externally to each side of the pentagon to form a star shape. Find the total area of the star.
(Take and .)
(Take and .)
- 168 cm²
- 175 cm²
- 190 cm²
- 210 cm²
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