Name _______________________ hr
Lesson 8.3 Surface Area of Triangular Pyramid
Step 1: Use a net to find the area of each face.
Step 2: Identify the area of each face.
Bottom/base: ______________ = ____________ft²
Side: ___________________ = ____________ft²
Side: ___________________ = ____________ft²
Side: ___________________ = ____________ft²
___________ = _________ + _________ + __________ + __________
Build a net. Label the faces. Find the area of each face. Add ‘em up for the TOTAL surface area!
Surface Area: ___________ = _________ + _________ + __________ + __________
a.
b.
Area of base/bottom: __________ = _____
Area of lateral face/side: ________
(multiply by ___ sides)
Surface Area = base + sides
Extension Question:
Area of base/bottom: _________ = _____
Areaof lateral face/side: _______ = _____
(multiply by ___ sides)
Surface Area = base + sides