6m x 10m for the rectangle part.
Then the triangle is base x height/2=3 x 7/2= 21/2
But we have two of the same triangle, so we multiply 21/2 by 2, giving us 21.
21 + 60= 81m^2
Hope you get it!
Answer:
81m²
Step-by-step explanation:
The area of the rectangular part is given by length × width;
i.e 6m × 10m = 60m²
The area of the triangular part is given by × base × height
So it will be × 6m × 7m = 21m²
Total area = Area of the composite figure = 60m² + 21m² = 81m²
B
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According to above figure, the angles (8x - 20)° and (5x + 37)° are pairs of vertical opposite angles, so
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Option A and D
Hope this helps!