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∆1and∆2are complementary angles.∆2and∆3 are supplementary angles .If∆1=45° ,find the measure of ∆3
?
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∆1and∆2are complementary angles.∆2and∆3 are supplementary angles .If∆1...
If 1 and 2 are complementary angles .
1+2=90
If 1 = 45(given)
Then 2=90-45
=45
2 and 3 are supplementary angles.
2+3=180
3=180-45
=135
Hence the measure of 3 is 135 degrees.
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∆1and∆2are complementary angles.∆2and∆3 are supplementary angles .If∆1=45° ,find the measure of ∆3 Related: NCERT Solutions(Part - 1) - The Triangle and Its Properties?
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