Answer:
4 is the correct answer
Step-by-step explanation:
|-7| = 7
|3| = 3
7 - 3 = 4
31/3 werbfwougfhwufiwqifhwbjfjijbhwef
Answer:
t = 7.5
Step-by-step explanation:
PQ and JK are corresponding sides.
QR and KL are corresponding sides.





There are 4 faces on a triangular pyramid
so total surface area = 4 x area of each face = 4 x 66
= 264 sq mm