3NA Chapter 6.1 Trigo Ratios of Acute Angles

What is a hypotenuse in a right-angled triangle? (select two answers)

• The shortest side

• The longest side

• The side adjacent to the right angle

• The side opposite to the right angle

Which is the hypotenuse?

• AB

• BC

• AC

Which is the hypotenuse?

• AB

• BC

• AC

Which is the hypotenuse?

• AB

• BC

• AC

• There is no hypotenuse

The reason why there is no hypotenuse in this triangle in Q3 is because the triangle is not a

(a)  

For reference angle θ, which is the opposite side?

• AB

• BC

• AC

For reference angle θ, which is the adjacent side?

• AB

• BC

• AC

For reference angle θ, which is the opposite side?

• AB

• BC

• AC

What is tan θ?

•  $\frac{3}{4}$  

•  $\frac{3}{5}$  

•  $\frac{4}{3}$  

•  $\frac{4}{5}$  

What is cos θ?

• $\frac{3}{4}$

• $\frac{3}{5}$

• $\frac{4}{3}$

• $\frac{4}{5}$