Find the value of missing coordinate that makes the ordered pair a solution to 3x + y= -5 (x,4)
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"<span>two angles are complementary;" that means the sum of two angles is 90. Since the sum of all three is 180, the last angle is 90. It is a right triangle.
"</span><span>two angles have equal measure;" we can't have two angles which are 90, so the other two are equal. But they sum to 90, so what number plus itself is 90? 45+45=90. We know now that the triangle has measures 45, 45, and 90.
We know that the legs of the triangle are the same, so we can use the Pythagorean theorem to show that </span>
, where h is the length of the hypotenuse and l is the length of the legs.
Of course, this means
. But "<span>the shortest side is half the length of the longest side</span>"! No triangles like this exist.
The only true statement is D
"</span><span>two angles have equal measure;" we can't have two angles which are 90, so the other two are equal. But they sum to 90, so what number plus itself is 90? 45+45=90. We know now that the triangle has measures 45, 45, and 90.
We know that the legs of the triangle are the same, so we can use the Pythagorean theorem to show that </span>
Of course, this means
The only true statement is D