Please solve
1. Prove that cyclic parallelogram is rectangle.
2. Construct a triangle ABC in which BC = 7 cm, angle B = 75 degrees and AB + AC= 13cm.
3 Construct a triangle XYZ in which angle Y = 30 degrees and angle Z = 90 degrees and XY + YZ + ZX = 11 cm.
4. The paint in a certain container is sufficient to paint an area equal to 9.375 sq m.How many bricks of dimensions 22.5cm x 10cm x 7.5cm can be painted out of this container.
1. Prove that cyclic parallelogram is rectangle.
2. Construct a triangle ABC in which BC = 7 cm, angle B = 75 degrees and AB + AC= 13cm.
3 Construct a triangle XYZ in which angle Y = 30 degrees and angle Z = 90 degrees and XY + YZ + ZX = 11 cm.
4. The paint in a certain container is sufficient to paint an area equal to 9.375 sq m.How many bricks of dimensions 22.5cm x 10cm x 7.5cm can be painted out of this container.
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