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Chapter 5: Q. 20 (page 201)

Given:ABCDis a parallelogram;AD炉鈮�AC炉;AE炉鈮�EC炉;鈭�ADF鈮�鈭�CDF;m鈭�DAC=36.

Complete each statement about the diagram.

20.鈻�ADCis a(n)?_ triangle.

Short Answer

Expert verified

鈻�ADCis an isosceles triangle.

Step by step solution

01

- Observe the given diagram.

The given diagram is:

02

- Write the definition of isosceles triangle.

The isosceles triangle is a triangle in which the two of the sides are equal.

03

- Write the complete statement.

It is being given thatAD炉鈮�AC炉.

Therefore, in the triangle鈻�ADC, it can be noticed thatAD炉鈮�AC炉.

Therefore, in the triangle鈻�ADC, two of the sides are equal. Therefore,鈻�ADC is an isosceles triangle.

鈻�ADCis an isosceles triangle.

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Most popular questions from this chapter

The legs of this ironing board are built so that BO=AO=RO=DO.

What theorem guarantees that the board is parallel to the floor AR炉鈭�BD炉?

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Theorem 5-4.

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