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guapka [62]
2 years ago
12

Help me out thank you so much whoever does!!

Mathematics
2 answers:
Helga [31]2 years ago
8 0
Answer : 45 degrees

Explanation: it forms a right triangle and a right triangle is 90 degrees and the other half is 45 so that means the 2nd half is 45 degrees
lina2011 [118]2 years ago
8 0

Answer:

b=45

Step-by-step explanation:

The two angles form a right angle. This is shown through the box drawn at the angle's vertex; this represents that it is a right angle. A right angle is equal to 90 degrees b can be found by using the other angle. Since 45 and b are complementary angles 45+b=90. This means that b must equal 45 degrees.

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schepotkina [342]

Given the figure of a regular pyramid

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The lateral area is 6 times the area of one of the side triangles

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\begin{gathered} h^2=6^2+(\frac{\sqrt[]{3}}{2}\cdot6)^2=36+27=63 \\ h=\sqrt[]{63} \end{gathered}

so, the lateral area =

6\cdot\frac{1}{2}\cdot6\cdot\sqrt[]{63}=18\sqrt[]{63}

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Find the hypotenuse of a right triangle with legs measuring 4 and 5ft
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Please help with this question
11111nata11111 [884]

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Step-by-step explanation:

TQRS is similar to BCDE. Align the letters.

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B C D E

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TS and BE

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