Practice Test

Q1. A right-angled triangle has legs of 6 cm and 8 cm. Which statement is correct?

The hypotenuse is 10 cm
The hypotenuse is 14 cm
The area is 48 cm²
The triangle is isosceles

Q2. The radius of a circle is doubled. What happens to the area?

It doubles
It triples
It increases by 4 times
It increases by 8 times

Q3. A wheel has a circumference of approximately 1.88 m. Which radius best matches this?

0.3 m
0.6 m
1.0 m
3.0 m

Q4. A map scale is 1 : 25 000. A walking trail measures 8 cm on the map. Which is closest to the real distance?

200 m
800 m
2 km
20 km

Q5. Why is π often rounded to 3.14 in NAPLAN?

Exact values are not allowed
It simplifies estimation
π equals 3.14 exactly
Calculators cannot use π