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shelbiec5355
08.03.2021 •
Mathematics
Can anyone else answer this?
Measure the dimensions of the parallelogram shown to the nearest ½ centimeter.
Which measurement is closest to the area of the parallelogram in square centimeters?
Choices:
40 cm²
45.5 cm²
34 cm²
56 cm²
Solved
Show answers
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Ответ:
ok Kirishima
The height of the triangle is 6.5cm
Step-by-step explanation:
First of all we need to use the formula to calculate the area of a triangle:
a = area = 45.5 cm²
b = base = 14 cm
h = height
a = (b * h) / 2
we replace with the known values
45.5cm² = (14cm * h) / 2
45.5cm² * 2 = 14cm * h
91cm² / 14cm = h
6.5cm = h
The height of the triangle is 6.5cm
Ответ:
40 cm I think
Step-by-step explanation:
Ответ:
Options (1) and (5) are the correct options.
Step-by-step explanation:
The given question is incomplete: find the complete question attached.
Simon's work,
Area of the base = B =
=
m²
Volume = Bh = 32.5(12) = 390 m³
Let's check the error's he made.
Area of the base of the triangular prism
B =![\frac{1}{2}bh=\frac{1}{2}(5)(12)](/tpl/images/0641/9632/fe2b3.png)
B = 30 m²
Volume of the prism = (Area of the triangular base)×(Height)
V = 30 × 4
V = 120 m³
Therefore, Options (1) and (5) are the correct options.