Chapter 7: Trigonometry & Trigonometry Formulas - Math Mcqs for Grade 8


Q.  The formula for the area of a triangle ABC is

a. 1/2ab sin C + 1/2bc sin A + 1/2ac sin B
b. 1/2ab sin C = 1/2bc sin A = 1/2ac sin B
c. 3/2ab sin C = 3/2bc sin A = 3/2ac sin B
d. 2ab sin C = 2bc sin A = 2ac sin B


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  If c + 7 = x²⁄3, making x the subject of formula we get
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  Solving e + e⁄2 + e⁄3 = 11 gives the result
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  A number is added to 4, the result is equal to subtracting 10 from 3times of that number number is
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  Simplifying the expression 9(a - b)⁄27(a - b)² gives
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  A number when added to 5 gives same result as when 2⁄3 of it is subtracted from 6, number is
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  Solving the expression (2a + 3c)⁄3b + (a - c)⁄b gives us
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  If we simplify m² ⁄(m²-mp) we get
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  The lengths of sides of triangle are x cm,(x + 1) cm and (x + 2) cm, the value of x when triangle is right angled is
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  Solve the simultaneous equations 13x - 6y = 20, 7x + 4y = 18
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  The Graphs of y = ax² passes through
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  One third of sum of two angles is 60° and one fourth of their difference is 28°. The angles are
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  A triangle whose sides are 15cm, 36cm, and 39cm is
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  The median of 7, 6, 4, 8, 2, 5, 11 is
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  The measure of chance is known as
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  In a triangle with sides a,b and c, if a² = b² + c², then angle facing a is
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  Number which occurs most frequently in a set of numbers is
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  The mode of 12, 17, 16, 14, 13, 16, 11, 14 is
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  The probability of getting a multiple of 5 if a two digit number is written down at random is
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  For the equation x = a the graph will be
Category: Mathematics Quizzes,   Published by: teswesm
MCQs:  A triangle has base (x + 2)cm and height (7 - x) cm, the equation for area is
Category: Mathematics Quizzes,   Published by: teswesm