Answer:
Step-by-step explanation:
Check if the lengths of the sides follows the Pythagorean theorem.
9² + 12² ≟ 15²
81 + 144 ≟ 225
225 = 225
Triangle ABC is a right triangle.
Answer:
Solve for
x
x
by simplifying both sides of the equation, then isolating the variable.
x
≈
0.25181781
Step-by-step explanation:
Answer:
B) -19
Step-by-step explanation:
-7 + 2x = -45
+7 +7
2x = -38
/2 /2
x = -19
Answer:
30a + 18b
Step-by-step explanation:
6(5a+3b)
Just multiply the six in both numbers
( 6x5a) + (6x3b)
= 30a +18b
Hope this helps =)
ANSWER
36√3 square units.
EXPLANATION
The area of a parallelogram is obtained by multiplying the base by the height.
We use the sine ratio to obtain the height.



The area becomes:
