Question

A triangle has sides of length 8,11 and 15 find the perimeter of the smaller triangle formed by connecting the midpoints of the sides of this triangle

Answer 1

Answer:

17

Step-by-step explanation:

• midpoint means half
• Let's name side 15 as A,11 as B and 8 as C
• 0.5 of A is 0.5×15=7.5
• 0.5 of B is 0.5×11=5.5
• 0.5 of C is 0.5×8=4
• Perimeter of small triangle =A+B+C
• 7.5+5.5+4=17