In the diagram, PQR is a straight line, (m + n) = 120^o and (n + r) = 100^o. Find (m + r)

Similar Questions

Given that (3 - y) ÷ 2x = (6y + 7) ÷ (4x - 5), find the value of x when y = 2 ...

3y = 4x - 1 and Ky = x + 3 are equations of two straight lines. If the two lines are perpendicular t...

The interior angle of a regular polygon is twice the exterior angle. How many sides has the polygon?...

Solve the inequality (x - 3)(x - 4) \(\leq\) 0...

Find the probability that a number selected from the number 30 to 50 inclusive is a prime ...

Solve: 2\(^{√2x + 1}\) = 32...

List all integers satisfying the inequality in -2 < 2x-6 < 4  ...

The cross-section of a prism is a right-angled triangle 3cm by 4cm by 5cm. The height of the prism i...

The perimeter of a sector of a circle of radius 4cm is (\(\pi + 8\))cm. Calculate the anle of the se...

There are 30 students in a class. 15 study woodwork and 13 study metal work. 6 study neither of the ...