Question

Can someone help me please

Answer 1

h = 7.7 cm

Explanation:

Since the triangle is right use the sine ratio to find h

sin31° =
`(opposite)/(hypotenuse)` =
`(h)/(15)`

[ multiply both sides by 15 ]

h = 15 × sin31° = 7.7 cm ( to 1 dec. place )

Answer 2

Answer: h = 7.7 cm

Explanation:

We know that θ = 31°, the hypotenuse = 15 cm, and we are looking for the opposite side = h.

`sin\ \theta=(opposite)/(hypotenuse)\\\\\\sin\ 31^o=(h)/(15)\\\\\\\text{multiply both sides by 15 to get:}\\15\ sin\ 31^o=h\\\\.\qquad 7.72 = h\\\\\\\text{rounded to one decimal place we get:}\\h = 7.7`