3 years ago

Find the missing angle measure in each figure

Mathematics

1 answer:

Brrunno [24]3 years ago

8 0

Answer:

x = 100°

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

here n = 7, hence

sum = 180° × 5 = 900°

Sum the given interior angles and equate to 900

x + 155 + 116 + 135 + 135 + 116 + 143 = 900

x + 800 = 900 ( subtract 800 from both sides )

x = 100°

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cluponka [151]

The given expression $8(4)^2+2^4$ is equal to 144 or $12^2$

<em><u>Solution:</u></em>

Given expression is:

$8(4)^2+2^4$

We have to evaluate the above given expression

We know that,

$(4)^2 = 4 \times 4 = 16$

$2^4 = 2 \times 2 \times 2 \times 2=16$

Substituting these in above given expression, we get

$8(4)^2+2^4=8 \times 16+16\\\\8(4)^2+2^4= 128+16\\\\8(4)^2+2^4=144$

Also we know that,

$12 \times 12 = 144$

Therefore,

$8(4)^2+2^4=144 = 12 \times 12 = 12^2$

Thus the given expression $8(4)^2+2^4$ is equal to 144 or $12^2$

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4 years ago

Which of the following measurements could be the three side lengths of a right triangle?

Elena-2011 [213]

Answer:

18 cm, 24 cm, 30 cm

Step-by-step explanation:

30² = 18² + 24²

900 = 324 + 576

900 = 900

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4 years ago

Find the missing angle measure in each figure​

Find the missing angle measure in each figure