Question

Asked Mar 24, 2019

Please provide detailed explanation, easy to understand.

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Step 1

To calculate the angles *A *through *F *in the roof of the house.

From figure, it is observed that the rafters are parallelograms and so the opposite lines are parallel.

label the figure as follows.

Step 2

From figure, PQRS and RSTU are parallelograms.

It is known that, the opposite angles of the parallelogram are equal.

Therefore, *B° *= 56° and ∠*TSR *= 56°.

It is known that, the consecutive angles of the parallelogram are supplementary.

Therefore, *A°+*56*° *= 180°.

Step 3

The angle *C° *is calcula...

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