find the area of a triangle whose perimeter is 22cm,one side is 9cm and the difference of other two sides is 3cm
Share
find the area of a triangle whose perimeter is 22cm,one side is 9cm and the difference of other two sides is 3cm
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
there is your answers and use this formula and mark me brainlist please and thanks my all answers and after I will thanks your answers please mark me brainlist and who will see my answer please thanks and like my answer and then I will massage you because I have power
Triangle
Solve for area
A≈13.27cm²
a Side
9
cm
b Base
3
cm
P Perimeter
22
cm
Using the formulas
A=s(s﹣a)(s﹣b)(s﹣c)
P=a+b+c
s=a+b+c
2
Solving forA
A=1
4﹣P4+4P3a+4P3b﹣4(Pa)2﹣12P2ab﹣4(Pb)2+8Pa2b+8Pab2=1
4·﹣224+4·223·9+4·223·3﹣4·(22·9)2﹣12·222·9·3﹣4·(22·3)2+8·22·92·3+8·22·9·32≈13.2665cm²