Question

PLZZZ ANSWER!! Answers for points will be reported.

Answer 1

Answer:

• 272.6

Step-by-step explanation:

This is an isosceles triangle with base of 21 and sides of 28.

Area formula

• A = 1/2bh

Find height:

• h = $\sqrt{28^2 - (21/2)^2} = \sqrt{673.75} = 25.96$

Area:

• A = 1/2(25.96)(21) = 272.6 (rounded)