Find the side lengths and perimeter of a triangle — task. Mathematics State Board, Class 7.

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Triangles

$PQR$ and

$ZYX$ are congruent with

$PQ\ =$ 16

$cm$ and

$QR =$ 63

$cm$ . Determine

$XZ$ and perimeter of the triangle

$ZYX$ if both the triangles are right triangle.

1. The vertex

$R$ of triangle

$PQR$ corresponds to the vertex of triangle

$ZYX$ .

2. The measure of the side

$XZ$ is

$cm$ .

3. The perimeter of the triangle

$ZYX$ is

$cm$ .

4. The measure of angle

$R$ is

$40°$ , then the measure of angle

$Z$ becomes

$°$ .

$1$

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11. Find the side lengths and perimeter of a triangle