Answer
14 cm
Work Step by Step
An isosceles triangle has two sides of equal length. Set the sides equal to x.
A=$\frac{1}{2}$bh
98=$\frac{1}{2}$2(x)(x)
98=$\frac{1}{2}$$x^{2}$
196=$x^{2}$
14=x
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 10 - Area - 10-1 Areas of Parallelograms and Triangles - Practice and Problem-Solving Exercises - Page 620: 20
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