Advertisements
Advertisements
Question
Set up an equation in the following case:
In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. Remember that the sum of angles of a triangle is 180 degrees.)
Advertisements
Solution
An isosceles triangle has two of its angles of equal measure.
Let base angle be b.
Vertex angle = 2 × Base angle = 2b
Sum of all interior angles of a Δ = 180°
b + b + 2b = 180°
4b = 180°
RELATED QUESTIONS
Write equation for the following statement:
Seven times m plus 7 gets you 77.
Set up an equation in the following case:
Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. (Take m to be the number of Parmit’s marbles.)
Add 3x, 7x
Write the following statement as an equation:
A number increased by 8 equals 15.
Solve the following equation and verify the answer:
3(2 − 5x) − 2(1 − 6x) = 1
A bag contains 25-paisa and 50-paisa coins whose total value is Rs 30. If the number of 25-paisa coins is four times that of 50-paisa coins, find the number of each type of coins.
Solve: 3(x + 2) − 2(x − 1) = 7.
Anushka and Aarushi are friends. They have equal amount of money in their pockets. Anushka gave `1/3` of her money to Aarushi as her birthday gift. Then Aarushi gave a party at a restaurant and cleared the bill by paying half of the total money with her. If the remaining money in Aarushi’s pocket is Rs.1600, find the sum gifted by Anushka.
Given n students in the class like football, what may 2n show? What may show? (Hint: Think of games other than football).
Solve the following riddles, you may yourself construct such riddles.
| Who am I? |
| For each day of the week Make an upcount from me If you make no mistake You will get twenty three! |
