ikaweronikas
ikaweronikas ikaweronikas
  • 23-05-2021
  • Mathematics
contestada

The diagram shows a right-angled triangle.
9 cm
23°
hcm
What is the value of h?
Give your answer correct to 1 decimal place.

The diagram shows a rightangled triangle 9 cm 23 hcm What is the value of h Give your answer correct to 1 decimal place class=

Respuesta :

samuelthankgod
samuelthankgod samuelthankgod
  • 23-05-2021

Step-by-step explanation:

tan 23= 9/h

0.4245= 9/h

h=9/0.4245

h= 21.2

Answer Link
jimrgrant1 jimrgrant1
  • 23-05-2021

Answer:

h ≈ 21.2 cm

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan23° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{9}{h}[/tex] ( multiply both sides by h )

h × tan23° = 9 ( divide both sides by tan23° )

h = [tex]\frac{9}{tan23}[/tex] ≈ 21.2 cm ( to 1 dec. place )

Answer Link

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