Please help me with questions 23, 24, and 25
1 answer:
Problem 23 A = 40 B = 3x+1 C = 3x+1 B and C are congruent, so they have the same angle measure The three angles of any triangle add to 180 degrees A+B+C = 180 40+(3x+1)+(3x+1) = 180 6x+42 = 180 6x = 180-42 6x = 138 x = 138/6 x = 23 Answer: B) 23 ============================================================ Problem 24 AB is the midsegment parallel to XY So AB is half that of XY AB = (1/2)*XY AB = (1/2)*28 AB = 14 Answer: B) 14 ============================================================ Problem 25 Note the ratio of the given rectangle's sides: 7/12 = 0.583 roughly Divide the answer choices in a similar fashion A) 5/7 = 0.714 B) 14/36 = 0.389 C) 21/36 = 0.583 D) 21/48 = 0.4375 We get the same result in choice C as we did in the original rectangle Answer: C) 21 ft x 36 ft
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Recall: SOHCAHTOA
Sin M = Opp/Hyp
Reference angle = M
Opp = 3√/21
Hyp = 15
Sin M = (3-√21)/15
Sin M = √21/5
Cos M = Adj/Hyp
Reference angle = M
Adj = 6
Hyp = 15
Cos M = 6/15
Cos M = 2/5
Tan M = Opp/Adj
Reference angle = M
Opp = 3√21
Adj = 6
Tan M = (3√21)/6
Tan M = √21/2
:Therefore: Sin M = √21/5
Cos M = 2/5
Tan M = √21/2
Answer:
y = 18 + 0.50x
Step-by-step explanation:
I think that is the answer.
Answer is D. Just plug in 2 for x and -2 for y. And solve
9 and 3. Because 9 is a composite number (3*3 = 9) and 3 is a composite number (1*3 = 3).
Answer:
To find the area of a rectangle multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area. This is the same as saying length2 or length squared.
Step-by-step explanation: