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Scrat [10]
3 years ago
9

Given: A(0,0) B(0,3) C(4,0) D(0,6) and E(8,0) Prove:ABC~ADE

Mathematics
1 answer:
tester [92]3 years ago
7 0
ADE is 2 times ABC. 
A times 2 is 0,0 which is the same as A
B times 2 is 0,6 which is the same as D
C times 2 is 8,0 which is the same as E
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Read 2 more answers
Consider a Triangle ABC like the one below. Suppose that C = 98, A = 74, and b = 11 (figure is not drawn to scale.) solve the tr
Degger [83]

Answer:

A=73.8\°

B=8.2\°

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Step-by-step explanation:

step 1

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c^{2}= 74^{2}+11^{2}-2(74)(11)cos(98\°)

c^{2}=5,823.5738

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step 2

Find the measure of angle A

Applying the law of sine

\frac{a}{sin(A)}=\frac{c}{sin(C)}

substitute the given values

\frac{74}{sin(A)}=\frac{76.3}{sin(98\°)}

sin(A)=(74)sin(98\°)/76.3

A=arcsin((74)sin(98\°)/76.3)

A=73.8\°

step 3

Find the measure of angle B

we know that

The sum of the internal angles of a triangle must be equal to 180 degrees

so

A+B+C=180\°

substitute the given values

73.8\°+B+98\°=180\°

171.8\°+B=180\°

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