Area and perimeter Questions and answers

  1. Elementary Mathematics
    1. Quadratic Equations
    2. Simplification
    3. Area and perimeter
    4. Volume and surface area
    5. Geometry
    6. Trigonometry
    7. Polynomials
    8. Height and Distance
    9. Simple and Decimal fraction
    10. Indices and Surd
    11. Logarithms
    12. Trigonometric ratio
    13. Straight lines
    14. Triangle
    15. Circles
    16. Quadrilateral and parallelogram
    17. Loci and concurrency
    18. Statistics
    19. Rectangular and Cartesian products
    20. Rational expression
    21. Set theory
    22. Factorisation
    23. LCM and HCF
    24. Clocks
    25. Real Analysis
1). Find the area of a triangle whose sides measure 8 cm, 10 cm and 12 cm.
A). \( \Large 8\sqrt{63} \)sq cm
B). \( \Large 5\sqrt{63} \)sq cm
C). \( \Large 6\sqrt{53} \)sq cm
D). \( \Large 7\sqrt{93} \)sq cm
2). The area of a right angled triangle is 40 sq cm. If its base is equal to 28 cm. find its height
A). \( \Large 3\frac{6}{7} \)cm
B). \( \Large 4\frac{6}{7} \)cm
C). \( \Large 2\frac{6}{7} \)cm
D). \( \Large 5\frac{6}{7} \)cm
3). The three sides of a triangle are 15, 25 and x units. Which one of the following is correct?
A). \( \Large 10 < x < 40 \)
B). \( \Large 10 \le x \le 40 \)
C). \( \Large 10 \le x < 40 \)
D). \( \Large 10 < x \le 40 \)
4). A triangle with three equal sides has its area equal to \( \Large \Large 3\sqrt{3} \)sq cm. Find its perimeter.
A). \( \Large 6\sqrt{3} \)cm
B). \( \Large 2\sqrt{3} \)cm
C). \( \Large 5\sqrt{3} \)cm
D). \( \Large 7\sqrt{3} \)cm
5). The sides of a triangle area in the ratio of \( \Large \frac{1}{3}:\frac{1}{4}:\frac{1}{5} \) and its perimeter is 94 Cm.Find the length of the smallest side of the triangle.
A). 18 cm
B). 22.5 cm
C). 24 m
D). 27 cm


6). The area of an equilateral triangle is \( \Large \Large 4\sqrt{3} \)sq cm. Find the length of each side of the triangle
A). 3 cm
B). \( \Large 2\sqrt{2} \)cm
C). \( \Large 2\sqrt{3} \)cm
D). 4 cm
7). The sides of a right angled triangle are equal to three consecutive numbers expressed in centimeters. What can be the area of such a triangle?
A). \( \Large 6cm^{2} \)
B). \( \Large 8cm^{2} \)
C). \( \Large 10cm^{2} \)
D). \( \Large 12cm^{2} \)
8). If the area of an equilateral triangle is x and its perimeter is y. then which one of the following is correct?
A). \( \Large y^{4}=432x^{2} \)
B). \( \Large y^{4}=216x^{2} \)
C). \( \Large y^{2}=432x^{2} \)
D). None of these
9). The area of an isosceles \( \Large \triangle ABC \) with AB = AC and altitude AD = 3 cm is 12 sq cm. What is its perimeter?
A). 18 cm
B). 16 cm
C). 14 cm
D). 12 cm
10). The area of an equilateral triangle is \( \Large \Large \frac{\sqrt{243}}{4} \)sq cm. Find the length of its side.
A). 3 cm
B). \( \Large 3\sqrt{3} \)cm
C). 9 cm
D). \( \Large \sqrt{3} \)cm
Go to :
Total Pages : 19