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One way to build stairs is to attach triangular blocks to an angled support, as shown at the right. If the support makes a 32° angle with the floor, what must mâ 1 be so the step will be parallel to the floor? The sides of the angled support are parallel. *
Answer: m∠1 = 32° Step-by-step explanation: Since we have given that The angled support making angle with the floor = 32° So, we need to find the measure of angle 1 so that the steps are parallel to the floor. As we know that "To make parallel to the floor , there should be alternate interior angle which must be equal." So, m∠1 = 32° ( the angled support making angle with the floor) Hence, m∠1 = 32°
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