Answer:
129.5 cm²
Step-by-step explanation:
The area (A) of a trapezoid is calculated as
A =
h(a + b)
where h is the height and a, b the parallel bases
Here h = 7, a = 15 and b = 22 , thus
A =
× 7 × (15 + 22)
= 0.5 × 7 × 37
= 129.5
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Answer:
In group A, they have at least one 90 degree angle. In Group B, they do not have any 90 degree angles.
Answer:
There are no restrictions on x, so the domain is (-∞,∞)
When x = 2, 5|x - 2| = 0, so the range is [4,∞)
Step-by-step explanation: