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Dafna11 [192]
3 years ago
14

Let Angle B be an acute angle in a right triangle. Approximate the measure of Angle B to

Mathematics
1 answer:
anastassius [24]3 years ago
8 0

Answer:

75.3°

Step-by-step explanation:

-To find the measure of angle B we find the cos inverse of B.

-Given cos B=0.2536, it's cos inverse is calculated as:

\angle B=Cos ^{-1} (Cos \ B)\\\\=Cos^{-1}(0.2536)\\\\=75.3\textdegree

Hence, the approximate measure of B is 75.3°

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dimaraw [331]

The tangent secant theorem says

PR × PS = PQ²

4 × (4+5) = PQ²

36 = PQ²

PQ=6

Answer: 6

3 0
3 years ago
What is the perimeter of the triangle?
Dennis_Churaev [7]
Answer:

The perimeter will be 30

Step-by-step explanation:

Perimeter = all side lengths added

Step 1. Determine the length of the triangle

Answer: 5

Step 2. Determine the width of the triangle

Answer: 12

Step 3. Determine the diagonal line across the triangle

Answer + explanation:

For it to figure it out, we must use this method called Pythagorean Theorem

Pythagorean Theorem: a^2 + b^2 = c^2

Where a = 12 b = 5 and c = the diagonal line

12^2 + 5^2 = c^2

144 + 25 = c^2

c^2 = 169

c = 13

The diagonal line measures 13 units

Step 4. Add all of the dimensions we just reviewed

Answer:

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Diagonal line = 13

5 + 12 + 13 = perimeter

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Therefore, the perimeter is 30


5 0
3 years ago
cate and elena were playing a card game the stack of cards in the middle had 24 cards in it to begin wiht. Cate added 8 cards to
Kaylis [27]
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3 years ago
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Simplify this expression: 4(x+3)+3(5-x)
prisoha [69]

Answer:

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Step-by-step explanation:

Let's simplify step-by-step.

4(x+3)+3(5−x)

Distribute:

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=4x+12+15+−3x

Combine Like Terms:

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Hope you find this Useful!

8 0
2 years ago
Read 2 more answers
Hi what is the answer for a+5d+3x
sattari [20]
Well I tried doing it but depends what your trying to do with the equation but I got
x= -a/3 - 5d/3
3 0
3 years ago
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