Question

For the paper plane in figure 4, prove that the two wing are congruent .​

Answer 1

Step-by-step explanation:

AD = AD (given)

ADE = ACB = 90

DE = CB (given)

by SAS congruence

triangle ADE is congruent to triangle ACB

Answer 2

Given : paper plane in Fig. 4

To Find : prove that the two wings are congruent. ​

Solution:

Two winds are

ACB  and  ADE

ACB and ADE are in triangular shape

ΔACB  & ΔADE

AC = DE   Given

∠ACB = ∠ADE   = 90°   ( given )

CB = DE    Given

=> ΔACB ≅  ΔADE   ( SAS)

Hence Two wings are congruent

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