1/3 * 9x = 3x
1/3 * 3 = 1
3x + 1 = 4x
3x + 1 = 4x
4x=4x
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Answer:
The first answer is correct. 11n
Step-by-step explanation:
Answer:
Hence,
The measure of ∠A is 60.065°

Step-by-step explanation:
Given:
ΔABC is a Right Angle Triangle at ∠ B = 90°
BC = Opposite side to ∠A = 13 unit
AC = Hypotenuse = 15 unit
To Find:
m∠A = ?
Solution:
In Right Angle Triangle ABC ,Sine Identity,

Substituting the values we get

Hence,
The measure of ∠A is 60.065°

Answer:
7, 65°
Step-by-step explanation:
(18b-11)+(9b+2)=180°
27b-9=180°
27b=189
b=7
9b+2
9×7+2
63+2
65