9. The perimeter of an equilateral triangle is 88.5 cm. Find each of the side. What is the area of the triangle ? in[..]

8.Find the perimeter of an equilateral each of whose sides are 78 2/3 cm?

7. The perimeter of a triangle is 142 meters. If two of the sides are 55 meters and 38 meters, find the third side[..]

6.How much fencing is required to enclose a triangular flower garden whose sides are 38 meters, 49.5 meters and[..]

5. Find the base angles of an isosceles triangle if the vertex angle is : a.48 degrees b. 70 degrees 41 minutes[..]

4. In triangle XYZ, X=42 degree, Y= 78 degree Z=60 degree,name the longest side, the shortest side.

3. In triangle PST , PS=7 cm, ST=9 cm and PT= 13 cm. What is the biggest angle?

The perimeter of an isosceles triangle is 55 meters. If each of the equal sides is 17 meters, find the base of the[..]

The cost of eleven CDs and twelve DVDs is $150.62; and the cost of one DVDs and twelve CDs is $116.07. How much do[..]

Mary invested one amount at 10% simple interest, and a second amount at 3% interest, earning $21.72 in one year. If[..]