Question 81
If sin θ = 3/5, what is cos θ assuming θ is acute?TrigonometryTrigonometryeasy
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NECTA Basic Mathematics – Tanzania
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Question 82
A bag contains 3 red balls and 5 blue balls. What is the probability of drawing a red ball?ProbabilityProbabilityeasy
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Question 83
Find the equation of the line passing through (1,2) with slope 3.Linear equationsLinear equationsmedium
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Question 84
If tan A = 1, what is the value of angle A in degrees between 0° and 90°?TrigonometryTrigonometryeasy
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Question 85
Solve for x: 3x - 5 = 16.Linear equationsLinear equationseasy
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Question 86
What is the distance between the points (3, 4) and (7, 1) on the coordinate plane?Coordinate geometryCoordinate geometrymedium
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Question 87
Calculate the area of a triangle with base 10 cm and height 6 cm.MensurationMensurationeasy
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Question 88
If sin θ = 3/5, what is cos θ for an acute angle θ?TrigonometryTrigonometrymedium
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Question 89
Calculate the mean of the data set: 4, 8, 6, 10, 12.StatisticsStatisticseasy
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Question 90
A bag contains 3 red balls and 7 blue balls. What is the probability of picking a red ball?ProbabilityProbabilityeasy
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