Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
74 views
in Geometry by (88.8k points)
closed by
`angleQPR` में, बिंदु A,B तथा C क्रमश: भुजा PQ तथा QR पर इस प्रकार लिए गए की QC=AC तथा ,CR=CB, यदि `angleQPR=40^(@)` है, सब `angleACB` ज्ञात करे?
A. `140^(@)`
B. `40^(@)`
C. `70^(@)`
D. `100^(@)`

1 Answer

0 votes
by (79.1k points)
selected by
 
Best answer
Correct Answer - C
`=2x+2y-180^(@)`
`=2(x+y)-180^(@)`………….(iv)
Put the value of equation, (i) in equation (iv)
`angleACB = 2 xx 140^(@)-180^(@)`
`=280^(@)-180^(@)`
`angleACB=100^(@)`

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...