Mathematics: Translate the expression in to a sentence and simply

Translate the expression in to a sentence and simply

Ответ:

cireland

16.03.2022

Concept: Mathematical Computation

In plain text it is: square root of 49 $\sqrt{49}$ We need to values such that x × x = 49 Hence $\sqrt{49} = 7$ Rate brainlist

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Ответ:

grecie9643

22.01.2020

Mathematics

Given:

Trapezoid ABCD rotated 180 degrees to get the trapezoid A'B'C'D'.

$\angle B=20^\circ,\angle D=90^\circ$

To find:

The measure of angle B'.

Solution:

We know that, rotation is a rigid transformation. It means the size and shape of the figure remains same after rotation or be can say that image and preimage are congruent.

So, $ABCD\cong A'B'C'D'$ .

$\angle B=\angle B'$ (CPCTC)

$\angle B'=20$ $[\because \angle B=20^\circ]$

Therefore, the measure of angle B' is 20 degrees.

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Translate the expression in to a sentence and simply

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