the perimeter of an isosceles is 42 and its base is 1/½ each of the equal sides find the area of the triangle ( given √7 =2.64)
Answers
Answered by
2
Answer:
(i)
the length of each side of the triangle
121x+x+x=42
23x+x+x=42
27x=42
x=12cm
side=12cm
(iii)
the height of the triangle
base2+height2=hypotenuse2
⇒height2=122−92=63
∴height=63=37cm
(ii)
Area of the triangle
Area=21base×height
=21×18×37
=71.28sq units
Answered by
76
answer is in this attachment
I hope that helps you
Attachments:
Similar questions