2 years ago

Help picture below problem 8

Mathematics

1 answer:

Radda [10]2 years ago

6 0

Answer:

C. never

Step-by-step explanation:

A trapezoid has exactly one pair of opposite sides parallel.

A parallelogram has exactly two pairs of opposite sides parallel.

A trapezoid is never a parallelogram.

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I'm confused please help

Vesnalui [34]

Carbon Dioxide: o2c
Water: h2o
Oxygen: o2

Water is h2o because there are 2 hydrogen molecules and 1 oxygen molecule.

h2 = 2 hydrogen molecules
o = 1 oxygen molecule

3 0

3 years ago

NEED ASAP

netineya [11]

Answer:

Supplementary

Step-by-step explanation:

135+45 =180

So Option C

3 0

2 years ago

A circular sector has a central angle of π6 radians and a radius of 9 ft.

ohaa [14]

Answer:

$\approx \: 21.2 \: {ft}^{2}$

Step-by-step explanation:

$central \: \angle = \frac{\pi ^{c} }{6} = 30 \degree \\ \\ area \: of \: the \: sector = \frac{30 \degree}{360 \degree} \times \pi {(9)}^{2} \\ \\ = \frac{1}{12} \times 3.14 \times 81 \\ \\ = \frac{1}{12} \times 254.34 \\ \\ = 21.195 \: {ft}^{2} \\ \\ \approx \: 21.2 \: {ft}^{2}$