Grade 8
Authored by LINH NGUYỄN
Mathematics
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Question 1. Quadrilateral ABCD is a rhombus with perimeter 48cm. The length of the side of rhombus is equal to
48cm
12
24cm
12cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Question 3. The sum of all angles in a quadrilateral is equal to
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.
-3.
-5.
7.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
356
292
-356
-292
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