Answer:
Angle A must be acute.
Explanation:
Both angle A and C must be acute. The sum of the angles in a triangle is 180°.
An obtuse angle is more than 90°, so the sum of the remaining 2 angles has to be less than 90°.
Note that it is impossible to have:
<span>2 right angles in a triangle, because <span>90°+90°=180</span>° and the third angle still needs to be added.1 obtuse and 1 right angle in a triangle, their sum is more than 180°2 obtuse angles in a triangle, their sum is more than 180°</span>
It is possible to have an obtuse-angled isosceles triangle, but the vertex angle must be obtuse and the equal base angles will be acute.
Answer:
16x + 64
Step-by-step explanation:
(x^2 + 16x + 64) - x^2
16x + 64
Between 9 inches and 39 inches.
Hope this helps <3
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Step-by-step explanation:
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Answer:
$6.43
Step-by-step explanation:
8.50 times 0.30=2.55
8.50-2.55=5.95
5.95 times 0.08=0.476
0.476+5.95=6.426 rounded would be $6.43