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Area of triangles and polygons Knowledge-Based Practice

Math · Geometry · Math · Perimeter, Area & Surface Area

5 Math practice questions on Area of triangles and polygons. Questions that assess core concepts and understanding.

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Questions

  1. 1.

    In an obtuse-angled triangle, a base measures 14 cm and the perpendicular height drawn to the line containing this base measures 9 cm. What is the area of the triangle?

    • A) 126 square centimeters
    • B) 46 square centimeters
    • C) 31.5 square centimeters
    • D) 63 square centimeters
  2. 2.

    A regular pentagon has a perimeter of 50 cm and an apothem of 6.8 cm. What is the area of the regular pentagon?

    • A) 34 cm²
    • B) 68 cm²
    • C) 340 cm²
    • D) 170 cm²
  3. 3.

    A parallelogram has a base of length 15 cm, a corresponding perpendicular height of 8 cm, and an adjacent side measuring 10 cm. What is the area of the parallelogram?

    • A) 120 sq cm
    • B) 150 sq cm
    • C) 80 sq cm
    • D) 60 sq cm
  4. 4.

    The diagonals of a rhombus have lengths of 16 cm and 12 cm. What is the area of the rhombus?

    • A) 192 cm²
    • B) 96 cm²
    • C) 56 cm²
    • D) 48 cm²
  5. 5.

    A trapezoid has parallel bases of lengths 13 cm and 21 cm, and a perpendicular height of 8 cm. What is the area of the trapezoid?

    • A) 272 cm²
    • B) 184 cm²
    • C) 136 cm²
    • D) 68 cm²

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