Determine whether the lines are parallel, intersect or coincide Y=-3x+4, y=-3x+1
2 answers:
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Answer:
h ≈ 7.9 cm
Step-by-step explanation:
Using the sine ratio in the right triangle
sin26° = =
( multiply both sides by 18 )
18 × sin26° = h , then
h ≈ 7.9 cm ( to 1 dec. place )
Answer:
Triangle 1's answers:
9² + 12² = <u>15²</u>
15² = <u>225</u>
Right Triangle
Trangle 2's answers:
6² + 15² =
18² = <u>324</u>
Obtuse Triangle
Step-by-step explanation:
The answers to number 1 for each triangle are solved exactly how they are written :).
The number 2s of each triangle are just numbers squared. 15 squared is 225. 18 squared is 324.
Triangle 1 is a right triangle because the angle is a right angle and the triangle can be solved perfectly using the Pythagorean Theorem.
Triangle 2 is an Obtuse Triangle because one side has a way larger angle than the other two angles.
Hope it helps!