Advertisements
Advertisements
प्रश्न
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
उत्तर
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°
APPEARS IN
संबंधित प्रश्न
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| x + 3 = 0 | x = 0 |
Solve the following equation by trial and error method:
3m - 14 = 4
Write equation for the following statement.
The sum of numbers x and 4 is 9.
Simplify:
12x − [3x3 + 5x2 − {7x2 − (4 − 3x − x3) + 6x3} − 3x]
Write the following statement as an equation:
If 12 is subtracted from a number, the result is 24.
Write the following statement as an equation:
3 less than 4 times a number is 17.
Verify by substitution that the root of \[\frac{z}{7} = 8\]
The length of a rectangular park is thrice its breadth. If the perimeter of the park is 168 metres, fund its dimensions.
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
(t − 7) > 5
Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation.
`"q"/2 = 7` (7, 2, 10, 14)
