Answer:
10 inches
Step-by-step explanation:
Given
Shape: Isosceles Triangle
Required
Find the length of the other two sides
Represent the other sides with x.
Since it is an isosceles triangle, 2 sides are equal.
So, we have:
Collect Like Terms
Divide both sides by 2
<em>The other sides are 10in each</em>
Answer:
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Given:
To prove:
Solution:
In triangle AED,
Two sides of triangle AED are equal, it means triangle AED is an isosceles triangle. The base angles of an isosceles triangle are equal. So,
In triangle ABE and triangle DCE,
(Given)
(Base angles of an isosceles triangle are equal)
(Given)
Two corresponding sides and their included angles are congruent. So, triangles are congruent by SAS postulate of congruence.
(By SAS postulate of congruence)
Hence proved.