View solutions
FormulaWon

Uganda · Grade 8 · Practice Sheet 42

Sheet code: UGANDA-G8-S42 · 20 questions

Name: ______________
Date: ______________
  1. 1.

    A force of 470 N acts on an area of 8.2 m². Find the pressure.

    Formula:Pressure
    P=FAP = \dfrac{F}{A}
    View formula →
  2. 2.

    A right-angled triangle has legs of 6 cm and 3 cm. Find the length of the hypotenuse.

    Formula:Pythagorean Theorem
    c=a2+b2c = \sqrt{a^2 + b^2}
    View formula →
  3. 3.

    A circle has a radius of 18 cm. Find its area. (Use π ≈ 3.14159)

    Formula:Area of a Circle
    A=πr2A = \pi r^2
    View formula →
  4. 4.

    Solve for x: 8x + 7 = 87.

    Formula:Solving a Linear Equation
    x=c−bax = \dfrac{c - b}{a}
    View formula →
  5. 5.

    A force of 77 N acts on an area of 6 m². Find the pressure.

    Formula:Pressure
    P=FAP = \dfrac{F}{A}
    View formula →
  6. 6.

    An object has mass 25.2 g and volume 28 cm³. Find its density.

    Formula:Density
    ρ=mV\rho = \dfrac{m}{V}
    View formula →
  7. 7.

    USh 147 is shared in the ratio 2 : 5. Find each share.

    Formula:Dividing in a Ratio
    share=parttotal parts×T\text{share} = \dfrac{\text{part}}{\text{total parts}} \times T
    View formula →
  8. 8.

    A cylinder has radius 14 cm and height 5 cm. Find its volume. (π ≈ 3.14159)

    Formula:Volume of a Cylinder
    V=πr2hV = \pi r^2 h
    View formula →
  9. 9.

    What is 40% of 50?

    Formula:Percentage of a Quantity
    result=p100×N\text{result} = \dfrac{p}{100} \times N
    View formula →
  10. 10.

    Solve for x: 9x + 9 = 45.

    Formula:Solving a Linear Equation
    x=c−bax = \dfrac{c - b}{a}
    View formula →
  11. 11.

    Find the mean (average) of these numbers: 75, 30, 37, 52, 37.

    Formula:Arithmetic Mean
    xˉ=∑xn\bar{x} = \dfrac{\sum x}{n}
    View formula →
  12. 12.

    Find the circumference of a circle whose radius is 10 m. (Use π ≈ 3.14159)

    Formula:Circumference of a Circle
    C=2πrC = 2\pi r
    View formula →
  13. 13.

    A right-angled triangle has legs of 9 cm and 13 cm. Find the length of the hypotenuse.

    Formula:Pythagorean Theorem
    c=a2+b2c = \sqrt{a^2 + b^2}
    View formula →
  14. 14.

    USh 3,100 is invested at 7.5% simple interest per year for 5 years. Find the interest earned.

    Formula:Simple Interest
    I=P×r×t100I = \dfrac{P \times r \times t}{100}
    View formula →
  15. 15.

    A car travels 664 km in 8 hours. Find its average speed.

    Formula:Speed
    v=dtv = \dfrac{d}{t}
    View formula →
  16. 16.

    A train moves at 84 km/h for 2.3 hours. How far does it travel?

    Formula:Distance from Speed & Time
    d=v×td = v \times t
    View formula →
  17. 17.

    Find the mean (average) of these numbers: 90, 67, 16, 78, 12, 95.

    Formula:Arithmetic Mean
    xˉ=∑xn\bar{x} = \dfrac{\sum x}{n}
    View formula →
  18. 18.

    A circle has a radius of 4 cm. Find its area. (Use π ≈ 3.14159)

    Formula:Area of a Circle
    A=πr2A = \pi r^2
    View formula →
  19. 19.

    USh 45 is shared in the ratio 2 : 1. Find each share.

    Formula:Dividing in a Ratio
    share=parttotal parts×T\text{share} = \dfrac{\text{part}}{\text{total parts}} \times T
    View formula →
  20. 20.

    A cylinder has radius 8 cm and height 20 cm. Find its volume. (π ≈ 3.14159)

    Formula:Volume of a Cylinder
    V=πr2hV = \pi r^2 h
    View formula →

© FormulaWon — formulawon.app · Answers & step-by-step working available on the solutions sheet.

Go to full solutions for this sheet