Construct a right angle ABC with help of protractor mark a point D in interior of angle ABC draw ray BD and verify by measurement that angle ABD and angle DBC are complementary
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right angle ΔABC is constructed and verified ∠ABD & ∠DBC are complementary
Step-by-step explanation:
Step 1 : Draw a line segment BC using ruler
Step 2 : Draw an angle of 90 deg at B on BC using protector
Step 3 : Mark a point A on angle drawn in step 2
Step 4 : join AC
a right angle ABC triangle is constructed
Step 5 : Take any point D inside ABC
Step 6 : join BD
Step 7 : Measure ∠ABD & ∠DBC
Add m(∠ABD) + m(∠DBC) and = 90°
Hence ∠ABD & ∠DBC are complementary
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