Tuesday

September 2, 2014

September 2, 2014

Posted by **karan** on Wednesday, June 22, 2011 at 9:58am.

- geometry -
**Reiny**, Wednesday, June 22, 2011 at 12:47pmdraw the diagonal to show the right-angled triangle,

the hypotenuse of that using Pythagoras is 10

so the area of the right_angled triangle is

(1/2)(6)(8) = 24

for the other triangle with sides, 10, 11, and 12

use Heron's formula

Area = √(s(s-a)(s-b)(s-c))

where s = (1/2)(perimeter) = 16.5

s-a = 16.5-10 = 6.5

s-b = 16.5 - 11 = 5.5

s-c = 16.5 - 12 = 4.5

Area = √(16.5*6.5*5.5*4.5) = 51.92

total area = 24+51.92 = 75.52

check my arithmetic

- geometry -
**feba**, Tuesday, February 5, 2013 at 8:28pmABCD is a square and arc BEC is a semicircle. if AB=10.0 cm,find the area of the area of the figure.

**Answer this Question**

**Related Questions**

geometry - solution of the questions The sides of a quadrilateral ABCD are 6 cm...

math - solution of the questions The sides of a quadrilateral ABCD are 6 cm, 8 ...

Geometry - Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle...

Geometry - Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle...

geometry - Fin the volume of a triangular prism with height 16cm, base (a right ...

6th grade - tHE AREA OF A RECTANGLE IS 24CM2 IF THE LENGTH OF THE SIDES ARE ...

math - find the area of kite whose unequal sides are 15 cm and 20 cm ...

trig - A kite is in the shape of a quadrilateral with two pair of congruent ...

precalculus - The four sequential sides of a quadrilateral have lengths a=3.6, b...

geometry - Given: QRST is a parallelogram. Prove: QRST is a square. Complete ...