- A40
- B18
- C20
- D22
Step-by-Step Solution
Triangle OAB has legs OA = 8 and AB = 5, right angle at A. Area = sq units (half the rectangle of area 40).
Answer: C) 20
A rectangular plot has corners O(0,0), A(8,0), B(8,5), C(0,5). Diagonal OB splits it into two triangles.
What is the area of triangle OAB?
Class 10Area of a Triangle (Coordinates)Geometry — Coordinates
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