3 years ago

if the net from the two triangles are the right triangles all quadrilaterals what is its surface area in square units?

1 answer:

erica [24]3 years ago

8 0

Step-by-step explanation:

The total surface area is 168 square units.

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ZanzabumX [31]

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nikitadnepr [17]

Answer:49

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Helen [10]

Answer:

The length of arc PQ is 8.1 inches.

Step-by-step explanation:

First, you have to find the angle of POQ. Given that total angles in a circle is 360°, so you have to subtract to get ∠POQ :

$73 + 150 + 65 + ∠POQ = 360$

$288 + ∠POQ = 360$

$∠POQ = 360 - 288 = 72$

Next, you have to apply length of arc formula, Arc = θ/360×2×π×r where θ represents the angle of arc and r is the radius of circle :

$arc = \frac{θ}{360} \times 2 \times \pi \times r$

$let \: θ = 72,\pi = 3.14,r = 6.48$

$arc = \frac{72}{360} \times 2 \times 3.14 \times 6.48$

$arc = 8.1 \: inches \: (near.tenth)$

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creativ13 [48]

Answer:

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Nesterboy [21]

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