The base of an isosceles triangle is 80 cm and its area is 360 cm². What is the length of the equal sides of the triangle? A. 9 cm B. 41 cm C. 80 cm D. 140 cm
Answers
Answered by
0
Answer:
B. 41 cm
Step-by-step explanation:
we know base=80 cm
Area = ½base × height
360 =½×80× height
80×Height= 360×2=720
height=720÷80
=9 cm
From figure, x is the hypotenuse.
By applying Pythagoras theorem,
x²= 40²+9²
=1600+81= 1681
So, x=√1681
- =41
Attachments:
Answered by
0
Answer:
Step-by-step explanation:
Attachments:
Similar questions