Please help me. Noura is redecorating her house. She needs to work out the area of the wall around her triangular window in orde
r
to find out how much paint she
needs.
a) Calculate the area of the wall
she needs to paint, to a suitable level
of accuracy, explain your answer.
b) Paint is sold in 20 litres containers,
costing $21.99 per container. Use
your answer from part (a) to
calculate and explain how much it
will cost to paint the wall. Assume 1
litre of paint covers 1m2 *
to find out how much paint she
needs.
a) Calculate the area of the wall
she needs to paint, to a suitable level
of accuracy, explain your answer.
b) Paint is sold in 20 litres containers,
costing $21.99 per container. Use
your answer from part (a) to
calculate and explain how much it
will cost to paint the wall. Assume 1
litre of paint covers 1m2 *
1 answer:
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Answer:
≈ 345.8 ft
Step-by-step explanation:
There is a right triangle formed by Bonnie's height (h) the ground and the angle of elevation.
Using the tangent ratio in the right triangle
tan20° = =
( multiply both sides by 950 )
950 × tan20° = h , thus
h ≈ 345.8 ft ( to 1 dec. place )