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Math Facts Part 2

Authored by Shuhadah Suleiman

Mathematics

7th - 9th Grade

Used 4+ times

Math Facts Part 2
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Which triangle can make use of Pythagoras' Theorem to find its length?

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2.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Round 0.007 934 8 to 3 significant figures.

(a)  

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Round off 25.56708 to 2 decimal places.

(a)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the formula for Area of a Trapezium?

12×(a+b)×h\frac{1}{2}\times\left(a+b\right)\times h  

12×b×h\frac{1}{2}\times b\times h  

13πr2h\frac{1}{3}\pi r^2h  

L×BL\times B  

Answer explanation

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the formula for Circumference (outline) of a circle?

2πr2\pi r  

πr2\pi r^2  

πr2h\pi r^2h  

13πr2h\frac{1}{3}\pi r^2h  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the radius of a circle is 4 cm, what is the diameter of the circle?

4

8

2×π×4 2\times\pi\times4\  

= 2×3.142×4=\ 2\times3.142\times4   =25.136=25.136  

πr2=3.142×42\pi r^2=3.142\times4^2   =50.272=50.272  

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Convert 5 m to km.

(a)  

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