One mark exercise problems II — task. Mathematics State Board, Class 8.

UPSKILL MATH PLUS

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1. If

$\triangle ABC \sim \triangle PQR$ in which

$\angle A = 53^{\circ}$ and

$\angle Q = 77^{\circ}$ , then

$\angle R$ is .

2. In the figure, which of the following statements is true?

$AB = BD$
$BD < CD$
$AC = CD$
$BC = CD$

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