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Vikentia [17]
3 years ago
12

What would BOTH X AND Y BE?

Mathematics
1 answer:
Finger [1]3 years ago
7 0

Answer:

x=110°

y=49°

Step-by-step explanation:

Here consider ΔABD and ΔBCD as seperate.

In ΔABD

Given AB=AD which means that it is an isosceles triangle.

∠ABD=∠ADB

∠ADB=35°

In ΔABD sum of the angles =180°

∠BAD + 35° + 35° =180°

x=180°-70°=110°

In ΔBCD

Given BC=DC which means ΔBCD is an isosceles triangle.

∠CBD=∠CDB

∠CDB=y

∠CBD=y

In ΔBCD the sum of the angle =180°

y° + y° + 82°=180°

2y°=98°

y=49°

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2 years ago
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Given: KLMN is a trapezoid m∠K = 90°, m∠N = 45° LK = LM = 10 Find: KN, Area of KLMN
Ilya [14]
Let KLMN be a trapezoid (see added picture). From the point M put down the trapezoid height MP, then quadrilateral KLMP is square and KP=MP=10.
A triangle MPN is right and <span>isosceles, because
</span>m∠N=45^{0}, m∠P=90^{0}, so m∠M=180^{0}-45^{0}-90^{0}=45^{0}.Then PN=MP=10.
The ttapezoid side KN consists of two parts KP and PN, each of them is equal to 10, then KN=20 units.
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5 0
3 years ago
Julie is a math tutor. She charges each student $210 for the first 7 hours of tutoring and $20 for each additional hour.
Maksim231197 [3]
She spent 17 hours tutoring

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8 0
3 years ago
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Do question 4 and explain how you got the answer please. The question is on the image
daser333 [38]
Step 1: Subtract 50 from both sides.
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</span><u>Answer:
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7 0
4 years ago
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Angela practices piano for 5 hours on Sundays amd for 3 hours on all other days of the week. How many hours doea Angela practice
Kitty [74]

Answer:8 x 365=2920

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Pretty sure this is right, hope it helps.

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