h ≈ 21.2 cm
Step-by-step explanation:
Using the tangent ratio in the right triangle
tan23° = = ( multiply both sides by h )
h × tan23° = 9 ( divide both sides by tan23° )
h = ≈ 21.2 cm ( to 1 dec. place )
probability for j is 1/4
while
a is 1/6
2
step-by-step explanation: