## Active forum topics

- General Solution of $y' = x \, \ln x$
- engineering economics: construct the cash flow diagram
- Eliminate the Arbitrary Constants
- Law of cosines
- Maxima and minima (trapezoidal gutter)
- Special products and factoring
- Integration of 4x^2/csc^3x√sinxcosx dx
- application of minima and maxima
- Sight Distance of Vertical Parabolic Curve
- Application of Differential Equation: Newton's Law of Cooling

## New forum topics

- General Solution of $y' = x \, \ln x$
- engineering economics: construct the cash flow diagram
- Integration of 4x^2/csc^3x√sinxcosx dx
- Maxima and minima (trapezoidal gutter)
- Special products and factoring
- Newton's Law of Cooling
- Law of cosines
- Can you help me po to solve this?
- Eliminate the Arbitrary Constants
- Required diameter of solid shaft

## Recent comments

- Hello po! Question lang po…1 week 5 days ago
- 400000=120[14π(D2−10000)]

(…1 month 2 weeks ago - Use integration by parts for…2 months 1 week ago
- need answer2 months 1 week ago
- Yes you are absolutely right…2 months 2 weeks ago
- I think what is ask is the…2 months 2 weeks ago
- $\cos \theta = \dfrac{2}{…2 months 2 weeks ago
- Why did you use (1/SQ root 5…2 months 2 weeks ago
- How did you get the 300 000pi2 months 2 weeks ago
- It is not necessary to…2 months 2 weeks ago

## The Total Area of Arrow

The Total Area of Arrow Polygon= Area of Rectangle + Area of Right Triangle or Isosceles Right Triangle.

Since the vertex angle at the tip of the arrow is 90 degrees by inspection the triangle is isosceles triangle in which two sides are equal, We all know that the total interior angles of a triangle is equal to 180 degrees, thus the two remaining angles are 45 degrees each.Here i divided the triangle into two equal parts from the end side midpoint of a rectangle vertically and horizontally to the vertex with two sides at 2 inches each which is also a right triangle or isosceles right triangle.

Total Area of the Arrow polygon would be=( 2 x 4) + 2 ((1/2) (2)(2))

Total Area of the Arrow Polygon= 8 + 4 = 12 sq. in Ans.