D) The diagonal of the rectangle are congruent.3 3) Prove that the sum

1.	D) The diagonal of the rectangle are congruent.3 3) Prove that the sum of measures of all the angles of a triangle is 180°Solve any and.
Answer» Answer: EASY to prove Step-by-step explanation: angle 1+2+3+4= 180 angel 1+3=90 angel 2+4=90 ADDING both of them angle 1+2 or 3+4 90 +90=180 HENCE proved that angle 1+2+3+4=180.

D) The diagonal of the rectangle are congruent.3 3) Prove that the sum of measures of all the angles of a triangle is 180°Solve any and.

Answer»

Answer:

EASY to prove

Step-by-step explanation:

angle 1+2+3+4= 180

angel 1+3=90

angel 2+4=90

ADDING both of them

angle 1+2 or 3+4

90 +90=180

HENCE proved that angle 1+2+3+4=180.

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D) The diagonal of the rectangle are congruent.3 3) Prove that the sum of measures of all the angles of a triangle is 180°Solve any and.​

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D) The diagonal of the rectangle are congruent.3 3) Prove that the sum of measures of all the angles of a triangle is 180°Solve any and.