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Chapter 1: Q11 (page 20)

State whether the angle appears to be acute, right, obtuse, or straight. Then estimate its measure.

  • 鈭�ADC

Short Answer

Expert verified

The angle 鈭�ADC appears to be obtuse angle and it鈥檚 estimated measure is (m鈭�6+m鈭�5).

Step by step solution

01

Step 1. Apply the definition of acute angle

Obtuse angle is an angle which measures between 90掳 to 180掳.

02

Step 2. Description of step

From the given figure, it can be observed that the 鈭�ADC measures between 90掳to 180掳 therefore, 鈭�ADC appears to be obtuse angle.

03

Step 3. Estimate the measure of 鈭燗DC

Clearly, 鈭�ADC=鈭�ADB+鈭�BDCwherein 鈭�ADB=m鈭�5and 鈭�BDC=m鈭�6.

Therefore, 鈭�ADC=m鈭�6+m鈭�5.

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