Answer:
7.6 ft² ( to 1 dec. place )
Step-by-step explanation:
given 2 sides of a triangle and the angle between them, the area (A) is calculated using the formula
A = 
ac sin B
= 0.5 × 4 × 13 × sin 17° ≈ 7.6
Oh that's cool... what do i do?
Answer:
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Step-by-step explanation:
you need to find how much food is used for 1 person then times that answer by 100 to find how much food is needed
Answer:
x must be 5
Step-by-step explanation:
Recall that the area formula for a trapezoid is
A = (average of base lengths)(width)
Here we have
17 cm + x
(average of base lengths) = 11 cm = ----------------
2
So 2(11 cm) = 17 cm + x, or
22 cm = 17 cm + x
Then x must be 5.
