If a pair of angles placed back to back in tension are connected by one leg of each angle, the net effective area of the section, is

• A. <img src="/_files/images/civil-engineering/steel-structure-design/101-14-108-1.png">
• B. <img src="/_files/images/civil-engineering/steel-structure-design/101-14-108-2.png">
• C. <img src="/_files/images/civil-engineering/steel-structure-design/101-14-108-3.png">
• D. <img src="/_files/images/civil-engineering/steel-structure-design/101-14-108-4.png">
• E. none of these.