Saved Bookmarks
| 1. |
In a triangle PSR , angle PSR = 90 degree, Q is a point on RS such that PQ= 10 cm, QS= 6 cm and RQ= 9 cm. Calculate the length of PR. |
| Answer» PLZ MAKE BRAINLIST plz plz plz plz plzStep-by-step EXPLANATION:AnswerIn△PQSBypythagorastheorem,PS2+SQ2=PQ2⟹PS2=PQ2−SQ2⟹PS2=102−62⟹PS2=100−36=64⟹PS=8In△PSR⟹PS2+RS2=PR2(PYTHAGORAS)⟹PR2=PS2+RS2⟹PR2=64+(RQ+QS)2=64+152⟹PR2=64+225⟹PR2=289⟹PR=17 | |