Grade 8

Question 1. Quadrilateral ABCD is a rhombus with perimeter 48cm. The length of the side of rhombus is equal to

• 48cm

• 12     

•  24cm

• 12cm

Question 2. Given the lengths of sides of a rectangular are 6cm and 8cm, respectively. What is the length of the diagonal?

• 8cm

• 6cm

• 10cm

• 12cm

Question 3. The sum of all angles in a quadrilateral is equal to

Question 4. Which of the following sentences is false?

• A trapezoid whose two diagonals are equal is an isoceles trapezoid.      

• A trapezoid with two bases equal is a parallelogram.

• A quadrilateral with two diagonals intersecting at the midpoint of each is a parallelogram.         

• A trapezoid with two legs equal is a parallelogram.

Question 5. If triangle ABC is similar to triangle DEF with the ratio of similarity k = 2 and AB = 16cm, which of the following results is correct?

• DE = 4cm.

• DE = 8cm.

• DE = 16cm.

• DE = 10cm.

• 1.

• -3.

• -5.

• 7.

• 356

• 292

• -356

• -292

• 2

• No solution

• 0

• -2

Question 9. Which of the following statements is true?

Question 10. Which of the following equations is a first-degree equation in one unknown?