Answer:
(a)
Step-by-step explanation:
The tangent and the normal at point P are perpendicular.
Given
= 3, then
Given the gradient m of the tangent then the gradient of a line perpendicular to it is
= -
= -
→ (a)
The correct answer is 56.8
Answer:
111
Step-by-step explanation:
The total value of the 3 angles of a triangle add up to 180
180-47-22= 111
Answer:
Point R(2,7) has coordinates of (x, y), where x = 2 and y = 7, so
- Across the y-axis = 7
- Across the x-axis = 2