Question

please answer this with full formula the first will be mark as Brainliest

Answer 1

the formula is 1/2×base×height
with this formula we can find the remaining blanks.
please mark as brainlist.

Answer 2

Hey mate, here is your answer:-)

As we know that

Area of Triangle= 1/2× Base× Height

87 = 1/2× 15× Height
87= 15/2× Height
87×2/15= Height
174/15= Height
11.6= Height

HOPE it helps!!!!!